You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am planning to go Austin as a holiday trip. Can you do the reservation?

ASSISTANT: Sure, we are to help you. Let me know when are you planning to travel?

USER: Journey dates are 03/07 and 03/09. I need a direct flight.

ASSISTANT: Ok, please help me with your airport codes.

USER: I would like to travel from SFO to AUS. Price should not cross 5000.

ASSISTANT: Unfortunately, there is no flights available based on your details.

USER: No issue.

ASSISTANT: May I know your name?

USER: Thanks for the quick response. Andrew Scott here.

ASSISTANT: Thanks for choosing us.