You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Barbara Wilson.

ASSISTANT: How may I helping hand to you?

USER: Can you help me in booking from DCA to PHL, as I need to attend my family function?

ASSISTANT: Sure, may I know the trip dates?

USER: My trip dates are 04/05 to 05/07.

ASSISTANT: I found a ticket fare of 500 and there is a connection of 1 on your dates.

USER: You can book it.

ASSISTANT: Ok, the ticket booking is done in 1013 flight number and the airlines is Delta, have a happy trip.

USER: Thank you.

ASSISTANT: You are welcome.