You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am a movie actor, I have to reach Los Angeles for my movie shoot. Could you book my ticket from IAD to LAX?

ASSISTANT: Sure, may I know your travelling dates?

USER: My itinerary dates are 04/05 and 04/07.

ASSISTANT: There is a connecting flight with fare 100, the number is 1002 in airline UA. Can I book it?

USER: Please book my ticket.

ASSISTANT: May I know your name?

USER: David Thompson here.

ASSISTANT: Your ticket is reserved, happy journey.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us.