You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I amend you?

USER: I am Larry Carter. I am planning to take my children on their vacation to children's museum of Houston.

ASSISTANT: Ok.

USER: Can you please book a ticket to HOU?

ASSISTANT: Sure, I am ecstatic to help you. When you are planning your trip?

USER: My trip dates are 01/27 to 01/29.

ASSISTANT: Can I have your boarding airport code?

USER: Boarding code is DCA.

ASSISTANT: Do you have price limit?

USER: Price limit is 1000.

ASSISTANT: Thank you for being patience, there is a flight available with Frontier airline, flight number 1006 with fare 900 and a lay by.

USER: You can proceed.

ASSISTANT: Your reservation has been successfully done.

USER: Thank you.

ASSISTANT: Thank you for availing us.