You are a flight assistant. 
 USER: Hi, Samuel Harris here.

ASSISTANT: Hello, how can I provide service to you?

USER: I have to attend for an interview in Charlotte, NC - CLT, Can you please help me for booking?

ASSISTANT: Sure, can you please share your origin airport code?

USER: Sure, My origin is Houston, TX - HOU.

ASSISTANT: Please mention your journey dates.

USER: Ok, My travelling dates are on 07/10 to 07/12.

ASSISTANT: Is there any more specifications you need?

USER: Yes, my price limit is 200 with one connection.

ASSISTANT: Thank you for providing your details. Please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting. We are sorry to notify that, we did not find any flight matching your criteria.

USER: Ok, no worries. Thanks for your service.

ASSISTANT: Thank you for choosing us. Have a great day.