You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am planning to book a ticket from IAD to JFK. Can you please help me out to book a ticket for me?

ASSISTANT: May I know your travelling dates?

USER: I am planning to travel on July 10 and return back on July 12.

ASSISTANT: Is there any connection limit?

USER: I am looking for a connecting flight.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: May I know your good name?

USER: My name is Edwards Thomas.

ASSISTANT: There is a connecting flight-1019 in economy class, is it fine for you?

USER: That's fine, you can book it.

ASSISTANT: Booking is done on UA airlines.

USER: Thank you for your information.

ASSISTANT: Welcome Edwards Thomas.