You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, Please specify me, how can I assist you now?

USER: My name is Justin Hernandez, I want to book a flight to visit White House at Washington DC. Can you book a connecting flight for me?

ASSISTANT: Sure, when do you planned your journey dates?

USER: I will fly on 02/04 and return on 02/06.

ASSISTANT: Can you please let me know your source and destination airport codes?

USER: My source point is Houston, TX-IAH and destination is DC-IAD.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: There is a flight found in Delta airline of flight number 1021 and fare is 100. Shall I proceed for booking?

USER: Please proceed with booking.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for helping me.

ASSISTANT: Thanks for choosing us, have a great day.