carry the passenger | 0.82 |
carry good | 0.52 |
included in annex a. | 0.48 |
issue ticket | 0.47 |
make an advance payment | 0.46 |
operate an air service | 0.37 |
inform the passenger | 0.36 |
operate in internationa… | 0.29 |
perform the flight | 0.27 |
offer free or discounte… | 0.25 |