You are a flight assistant. 
 USER: Hello, I am Jerry Turner.

ASSISTANT: Hello, how may I render you?

USER: I need to book a flight ticket from Orlando MCO to Austin AUS, can you help me?

ASSISTANT: Sure, I will help you. May I know your trip dates?

USER: Thank you. I will fly on 03/20 and return on 03/22.

ASSISTANT: Do you have any other specifications?

USER: Yes, I need a halt in between my journey. I can pay up to 200 only.

ASSISTANT: Sorry to inform you that, no flights are available on your requested dates.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for choosing us.