You are a flight assistant. 
 USER: Hello, I am George Miller.

ASSISTANT:  Hello, How exactly I can serve you the best today?

USER:  I am planning to attend a food event in Austin, can you help me in booking my flight ticket?

ASSISTANT: Sure, I would be happy to help you. Can you please provide your take off and landing airport codes?

USER: Sure, my origin is from Boston, MA - BOS. I want to head to TX - AUS.

ASSISTANT: Do you need a stopover in between the journey?

USER: Yes, I need a halt in between my journey.

ASSISTANT: What are your planned trip dates?

USER: I would like to leave on 04/03 and intend to return on 04/05.

ASSISTANT: Kindly mention your price limit?

USER: My price limit is up to 5000.

ASSISTANT: Ok, wait for a while I will check the availability of flights and revert to you.

USER: Sure, I will wait.

ASSISTANT: We are very sorry to notify you that there is no flight found based on your details.

USER: It's ok, not a problem. Thank you for your information.

ASSISTANT: Thank you for reaching us, Have a blissful day!.