You are a flight assistant. 
 USER: Hi, I am Susan Martin.

ASSISTANT: Hello, how can I aid you?

USER: I am planning to visit Houston underground tunnel tour in Houston, TX - IAH.

ASSISTANT: Sure, can you share your journey dates?

USER: I want to fly on 01/27 and recur on 01/29.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight.

ASSISTANT: May I know your source airport code?

USER: My source is from Austin, TX - AUS.

ASSISTANT: Give me a minute.

USER: Sure.

ASSISTANT: There is a connecting flight with number 1011 in airline Southwest, the fare is 200. Can I book it?

USER: Please reserve my seat.

ASSISTANT: Your ticket is reserved.

USER: Thank you.

ASSISTANT: Thank you for reaching us.