You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I am Brian Nelson, I want to book a flight ticket to reach New York from Houston. Can you help me in this?

ASSISTANT: Sure, we are here to help you.

USER: Thanks.

ASSISTANT: Kindly mention your travel dates.

USER: 09/20 and 09/22 are my travelling dates.

ASSISTANT: Can you please help me with your airport codes?

USER: HOU and LGA are my airport codes.

ASSISTANT: Ok, please wait a moment.

USER: OK, make it fast.

ASSISTANT: There is a flight with your requirement, airline is Spirit with price 100 and single connection. Shall I proceed with booking?

USER: Perfect, please proceed.

ASSISTANT: Your booking is done.

USER: Thanks a lot.

ASSISTANT: Thanks for reaching us.