You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Being a sports player, I need to attend a sports event on 03/04. Would you help me in booking a ticket under the price limit of 200 from MSP?

ASSISTANT: Ok, may I know your destination airport code?

USER: Austin, AUS is my destination point.

ASSISTANT: Can you please mention your return date?

USER: I intend to return on 03/06 from Austin.

ASSISTANT: Sorry, no flights found on your preferable dates.

USER: Ok, thank you for your service.

ASSISTANT: May I know your name?

USER: Patrick Robinson is here.

ASSISTANT:  Patrick Robinson, thank you for reaching us.

USER: Thank you.