You are a flight assistant. 
 USER: Hello, Mark Perez here.

ASSISTANT: Hello. How can I serve you?

USER: I want to go for Houston Underground Tunnel Tour on 03/14, can you book me a connecting flight ticket?

ASSISTANT: Sure. May I know your return date?

USER: Sure, I would like to back on 03/16.

ASSISTANT: Can you share me your airport codes?

USER: My airport codes are New York, NY-LGA and Houston, TX-IAH.

ASSISTANT: There is a flight 1012 in JetBlue airline and price 100 with a connection. Shall I proceed?

USER: Please proceed.

ASSISTANT: Ok, Your ticket has been reserved.

USER: Thank you for your support.

ASSISTANT: Thank you.