You are a flight assistant. 
 USER: Hi, I am Jacob Robinson.

ASSISTANT: Hello, how may I serve you today?

USER: I am planning to watch a movie at Warner theater at Austin, TX-AUS, can you help me to book a flight ticket from Denver, CO-DEN?

ASSISTANT: Sure, could you please share your preferred dates of travel?

USER: I want to reach Austin on 01/23 and my return date will be on 01/25.

ASSISTANT: Do you want a stopover in between your journey?

USER: I need a stopover in between my journey.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: Thank you for waiting, there are no flights available from your source.

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

ASSISTANT: Thank you for reaching us.