You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I serve you?

USER: Can you please book a flight ticket with the name of Timothy Lopez to Houston, IAH?

ASSISTANT: Sure. May I know your travelling dates?

USER: I would like to depart on 06/11. My return will be on 06/13.

ASSISTANT: Let me know your origin.

USER: Houston, HOU is my boarding point.

ASSISTANT: Do you have any preferences?

USER: Yes, there should be a lay by.

ASSISTANT: Thanks for your details. There is a flight 1024 in Southwest airline and price 100 with a connection.

USER: You can proceed with booking.

ASSISTANT: Your reservation is done.

USER: Thank you for your help.

ASSISTANT: Thank you.