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

ASSISTANT: Hello, how may I assist you today?

USER: I am planning to attend a live concert at Austin, can you help me to book a flight ticket with single connection?

ASSISTANT: Sure, may I know your source and destination airport codes?

USER: My boarding and landing airport codes are LAX and AUS.

ASSISTANT: Can I know your travel dates, please?

USER: I intend to start on Nov 16th and my return date will be on Nov 18th.

ASSISTANT: In which class would you like to travel?

USER: I don't have any class preference.

ASSISTANT: Do you have any preferable timings to travel?

USER: I need to return in the afternoon.

ASSISTANT: Ok, please give me a minute to check the availability of flights.

USER: Sure.

ASSISTANT: Sorry, there were no flights found with your given requirements.

USER: No issues, I'll choose any alternative to reach my destination. Thank you.

ASSISTANT: Thank you for reaching us.