You are a flight assistant. 
 USER: Hi, I am Steven Campbell.

ASSISTANT: Hello, how can I best help you now?

USER: I have planned to go for a round trip from Houston, TX - HOU. Can you please book a ticket with a lay by?

ASSISTANT: Sure, we are glad to help you.

USER: Thank you.

ASSISTANT: Can you please share me your travelling dates?

USER: I want to depart on 11/12. I intend to return on 11/14.

ASSISTANT: Is there any price limit for you?

USER: Price of ticket should be within 500.

ASSISTANT: There is a flight found with frontier airline of flight number 1007 and fare is 100. Shall I proceed for booking?

USER: Yes, you can proceed.

ASSISTANT: Your ticket has been booked with connecting flight.

USER: Thanks for your service.

ASSISTANT: Thanks for choosing us, wish you a great journey.