You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,.

USER: I am Scott Davis.

ASSISTANT: How may I support you today?

USER: I am planning to visit Las Vegas to attend the music concert, can you help me to book a flight?

ASSISTANT: Sure, do you have any price limit?

USER: Price limit is 500.

ASSISTANT: Help me with the airport abbreviates?

USER: Sure, airport codes are source is Austin, AUS and destination is Las Vegas, LAS.

ASSISTANT: When would you like to travel?

USER: I would like to travel on 05/19 and 05/21.

ASSISTANT: Thank you for the details, please be on hold.

USER: Sure.

ASSISTANT: Thank you for being waiting, We found a flight having a couple of connections. Shall I proceed to book?

USER: No, please do not proceed.

ASSISTANT: Ok. Thank you for reaching us.

USER: Thank you for informing.