You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Is this ABC flight ticket booking agency?

ASSISTANT: Yes, this is ABC travelling agency.

USER: I want to go Space Center it is in Houston for my final year project work, can you please check is there any flight available from Washington on 03/23?

ASSISTANT: Sure, I will check for you can you please help me with the further travelling details?

USER: My departure airport code is DCA and destination airport code is IAH, because these two airports are convenient for me to travel.

ASSISTANT: Ok, could you please provide your dates of travel?

USER: Yes, please book my return ticket to Washington on 03/25.

ASSISTANT: Ok, could you please mention your name for documentation purpose?

USER: Sure, my name is George Davis.

ASSISTANT: I find a flight with connection is 1 of cost 100 of airline JetBlue, shall I proceed with this flight ticket?

USER: Please confirm this flight ticket.

ASSISTANT: Davis, your booking has been confirmed.

USER: Thank you for your help.

ASSISTANT: The flight number is 1004. You are welcome.

USER: Thanks.