You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Angela Smith. I want to reserve a ticket to round trip to Washington, DCA. Can you please make a reservation?

ASSISTANT: Sure, may I know your travelling dates?

USER: I want to depart on 01/13 and arrive back on 01/15.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: There is a flight found with number 1009 and UA as airline. The cost of the ticket is 100.

USER: Reserve it.

ASSISTANT: Your ticket is booked.

USER: Thank you for your service.

ASSISTANT: Thanks for reaching us.