You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I love hiking, so I would like to visit Mount Bonnell. Could you please help me in booking a ticket?

ASSISTANT: Sure, may I know your codes of airport on which route you want this booking?

USER: My origin airport code is CLT and my destination airport code is AUS.

ASSISTANT: Ok, kindly can you share your travelling dates?

USER: My travelling dates are from 05/28 to 05/30.

ASSISTANT: Ok, please mention your price limit to proceed further.

USER: Sure, my price limit is 200.

ASSISTANT: Sorry, I regret to say that there were no flights found with your requirements.

USER: Ok, thank you for your information.

ASSISTANT: Thank you for reaching us. Have a pleasant day. May I know your name for documentation purpose?

USER: My name is Sharon Hill.

ASSISTANT: Thank you.