You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I want to book a flight ticket to Seattle as I need to submit my research record. Can you do the reservation on my name Linda Smith?

ASSISTANT: Sure, may I know your planned travel dates?

USER: Dates are 05/29 and 05/31.

ASSISTANT: Please share your source and destination codes.

USER: My airport codes are Austin, AUS to Seattle, SEA.

ASSISTANT: May I know your price limit?

USER: I need connecting flight. Price should not cross 1000.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Thank for waiting, sorry to say that, no flights were found with your given details.

USER: No problem, Thank you.

ASSISTANT: Thank you for opting us.