You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I serve you?

USER: I want to visit Houston, TX - IAH for site seeing with my family. Can you book a ticket on 10/31?

ASSISTANT: Sure, I can help you. Please share me your source airport code.

USER: Ok, my source is New York, NY - LGA.

ASSISTANT: May I know your return date?

USER: I intend to return on 11/02.

ASSISTANT: Do you need any connection?

USER: I am comfortable with any connection.

ASSISTANT: Can I know your name?

USER: I am Kevin Harris.

ASSISTANT: Unfortunately, there are flights found according to your requriments.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for choosing us.