You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I have a meeting to attend at Austin. Can you help me in booking a ticket from PHX to AUS?

ASSISTANT: May I know your journey dates please?

USER: I am planning my journey on dates 03/26 and 03/28.

ASSISTANT: Give me a minute.

USER: Sure. Make sure the price of the ticket is below 200.

ASSISTANT: There are no flights available with your preferences. May I know your name please?

USER: My name is Melissa Thompson. Thank you for your information.

ASSISTANT: Thank you for choosing us.