You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello.

USER: I am Rachel Wilson.

ASSISTANT: What can I do for you now?

USER: I want to book a flight from OAK to AUS, can you please help me to book a flight ticket?

ASSISTANT: Sure, I am perky to help you. Your journey dates please?

USER: My trip dates are 02/04 to 02/06.

ASSISTANT: Nay specifications you have?

USER: I need a halt with fare 200.

ASSISTANT: Thanks for your time. Based on your requirements we did not get any flights for you.

USER: Ok, no issues.

ASSISTANT: Thank you for your time with us, have a nice day.

USER: Thanks for your service.