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

ASSISTANT: Hello, how can I serve you today?

USER: I am heading to Houston to attend a live concert. Please book me a ticket on dates from 01/30 to 02/01.

ASSISTANT: Sure, we are here to help you today. Kindly mention your airport codes.

USER: My origin is IAD and destination is HOU.

ASSISTANT: How much can you afford for this journey?

USER: I can pay up to 200.

ASSISTANT: Do you have any connection preference?

USER: Yes, I need a break within my route.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry to inform, no flights found with your requirement.

USER: That's Ok, thanks for your response.

ASSISTANT: Thanks for opting us.