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

ASSISTANT: Hello. How may I abet you today?

USER: Can you help me in booking from OAK to AUS, as there is a project work?

ASSISTANT: Sure, kindly share your limit.

USER: My fare is 500.

ASSISTANT: Please let me know your source and destination points.

USER: I planned on 08/26 to 08/28.

ASSISTANT: Is there any connection limit?

USER: I need a connecting flight.

ASSISTANT: Please wait a moment I will check and revert to you.

USER: Sure.

ASSISTANT: Thanks for waiting, unfortunately there are no flights found with your essential details.

USER: No issue, thank you.

ASSISTANT: Thanks for approaching us.