You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Help me with your name please?

USER: I am Gregory Mitchell.

ASSISTANT: How can I assist you now for the day?

USER: Can you please book a ticket for me as I am planning to go for Austin, AUS to meet my friend?

ASSISTANT: Sure. Your travelling dates.

USER: Journey dates are 02/21 to 02/23.

ASSISTANT: What is your price limit?

USER: Price limit is 500.

ASSISTANT: Can I have your boarding point?

USER: Source code is Orlando, MCO.

ASSISTANT: Thanks for your time. I did not find any flights with your data.

USER: No problem.

ASSISTANT: Thank you for reaching us.

USER: Thank you.