You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: I am Amanda King. I have to attend a cultural event at DFW on 10/22, can you help me in booking a flight ticket?

ASSISTANT: Sure, I will help you. May I know your journey dates?

USER: My boarding point is IAH and return would be on 10/24.

ASSISTANT: Thank you, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting. We could not find any flights according to you journey dates.

USER: OK, no problem. Thanks for your response.

ASSISTANT: Thank you for reaching us. Have a nice day.