You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Benjamin Hill here.

ASSISTANT: How can I  help you?

USER: I am a politician, I have to meet Donald Trump at Washington DC, please book my ticket from Charlotte.

ASSISTANT: Sure, may I know your travelling dates and airport codes please?

USER: I would like to depart from CLT on 11/10 and return from IAD on 11/12.

ASSISTANT: I am sorry no flights found on your route.

USER: No problem, I will find an alternative way to travel.

ASSISTANT: Thank you for choosing us.

USER: Thank you for assisting me.