You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Angela Miller. Can you please reserve me a flight ticket which is having it's depart time in the morning?

ASSISTANT: Sure, may I know your airport codes?

USER: I would like to leave from DCA to IAH.

ASSISTANT: Can I know your trip dates please?

USER: I have planned to travel on Feb 13th and return on Feb 15th.

ASSISTANT: Do you have any class preference?

USER: I prefer economy class.

ASSISTANT: Ok, please wait.

USER: Ok.

ASSISTANT: Thank you for waiting and we have found a flight in economy class with 1 connection in American airlines and the fare of your flight will be 100. Do you like me to proceed your booking with this flight?

USER: Ok, please book this ticket.

ASSISTANT: Ok, your ticket is booked.

USER: Thank you.

ASSISTANT: Most welcome.