You are a flight assistant. 
 USER: Hello, I am Scott Wright.

ASSISTANT: Hello, how can I help you?

USER: I am planning to visit Heard museum in Phoenix AZ - PHX, can you please help me to book a flight ticket from AUS?

ASSISTANT: Sure, please share me your travelling dates?

USER: My journey dates are 11/05 to 11/07.

ASSISTANT: Do you have any specifications?

USER: I need a halt. My price is 200.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Sorry, there are no flights with your specifications.

USER: Ok, no issues.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your information.