You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am George Evans.

ASSISTANT: How can I assist you?

USER: Can you help me in booking from IAH to MSP, as there is a musical concert at Houston?

ASSISTANT: Please wait a while. May I know your desired travel dates please?

USER: My trip dates are 11/25 to 11/27.

ASSISTANT: There is no flight available on your desired travel dates.

USER: No issue, thank you for checking.

ASSISTANT: Thank you for opting us.