You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I have to visit Houston, please help me to search the flight ticket.

ASSISTANT: Sure, may I know your source and destination details?

USER: The source is SEA and the destination is HOU.

ASSISTANT: OK, can you provide your preferable dates ?

USER: My preferable dates are 09/09 and 09/11.

ASSISTANT: Yes, I found a flight-1002 with Delta airlines can I proceed?

USER: Yes, I am fine with this flight. Please proceed with the booking.

ASSISTANT: Yes, your booking is confirmed. OK, please may I know your name?

USER: My name is Stephanie Carter.

ASSISTANT: OK, carter thank you.

USER: Thank you for helping me.