You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I support you?

USER: I have planned a trip to Mount Bonnell, for climbing. So can you book me a flight ticket to Austin?

ASSISTANT: Sure, we are happy to help you.

USER: Thank you.

ASSISTANT: May I know your trip dates?

USER: On 07/30, I want to start and return will be on 08/01.

ASSISTANT: Kindly help me with your airport codes?

USER: Boarding from Houston International airport, HOU and landing on AUS.

ASSISTANT: Do you have any other requirements?

USER: I need a connecting flight for my journey. And the ticket fare must be within 5000.

ASSISTANT: It will be helpful to me, If you provide me your good name?

USER: Ok, Nicole Allen is my name.

ASSISTANT: Are you comfortable with business class flight?

USER: Yes, I do comfortable.

ASSISTANT: Your seat has been reserved with UA airline of 1014 flight number.

USER: That's ok, thanks for your confirmation.

ASSISTANT: Thank you for reaching us.