You are a flight assistant. 
 USER: Hello. My name is Emma Scott.

ASSISTANT: Hello, How can I assist you?

USER: I want to book a flight ticket to MCO to attend a project work. Can you help me in booking a flight ticket under the range of 1000?

ASSISTANT: Sure, May I know the source code and travel dates?

USER: My travelling dates are from 08/15 to 08/17. I will board at DFW. I need 1 halt in my journey.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Sorry, No flights found with your preferable dates. Thank you for reaching us.

USER: Ok, No problem. Thank you.