You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you today?

USER: Can you please book a flight ticket from SEA to AUS?

ASSISTANT: Sure, do you have any class preference?

USER: No, I am ok with any class.

ASSISTANT: Is there any connection limit?

USER: I am looking for single connecting flight so please check with that.

ASSISTANT: Do you have any other requirements?

USER: No, I do not have any other specifications.

ASSISTANT: Ok, when are you planning your trip?

USER: I have planned my travel dates as Dec 21 and Dec 23.

ASSISTANT: Can you share your name to proceed further?

USER: Sure, myself Williams Lopez.

ASSISTANT: Southwest Airlines has a connecting flight with number 1013 for fare 100, shall I proceed?

USER: That is fine, please proceed with booking.

ASSISTANT: Your ticket is reserved in economy class.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us and have a safe flight.

USER: Most welcome.