You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Pamela Gonzalez here.

ASSISTANT: How may I aid you?

USER: I am a history professor, I have to give a guest lecture in Charlotte. Please book my ticket from DCA to CLT.

ASSISTANT: Ok, may I know your travelling dates?

USER: My itinerary dates are 04/15 and 04/17.

ASSISTANT: I have searched a flight ticket with 1 connection flight and AA as airline. Shall I proceed?

USER: Please proceed.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for booking my ticket.

ASSISTANT: Most welcome.