You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you at this moment?

USER:  I want to go to Washington in the  next month to meet my childhood friends there after a long time, can you help me in booking flight ticket process?

ASSISTANT: Sure, can you please help me with your airport codes?

USER: Thank you so much for your quick response. The nearest airports to my desired locations are IAH and IAD.

ASSISTANT: May I know your travelling dates?

USER: My departure and arrival travel dates are Nov 03 and Nov 05.

ASSISTANT: May I know your connection limit?

USER: I have a preference about the connection limit that should be at least one.

ASSISTANT: Sure, Is there any other preferences?

USER: No, I didn't have any preferences.

ASSISTANT: Delta Airlines providing connecting flight in the economy class with fare 100, shall I proceed for booking?

USER: Yes, please book the ticket under the name Angela Robinson.

ASSISTANT: Your ticket has been confirmed with flight number 1012.

USER: I am happy for your help. Thank you so much.

ASSISTANT: Thank you for choosing us.