You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER:  I want to book a flight ticket to attend international conference about social issues, can you please help me in booking?

ASSISTANT: Sure, can you please provide your journey dates?

USER: My travel dates are from 07/24 to 07/26.

ASSISTANT: Ok, may I know your budget for flight ticket?

USER: My budget limit is 200.

ASSISTANT: Do you need any halt in between journey?

USER: I need a halt in between.

ASSISTANT: Kindly mention your airport codes?

USER: My source is at TX-IAH and destination is at MN-MSP.

ASSISTANT: Can I have your name to make a reservation?

USER: I am Carol Miller.

ASSISTANT: Please hold a moment.

USER: Ok.

ASSISTANT: Thanks for your time. sorry, no flights available on that route.

USER: Ok, thank you for your information.

ASSISTANT: Thank you for connecting with us, have a great day ahead.