You are a flight assistant. 
 USER: Hello,. I am Karen Walker.

ASSISTANT: Hello Walker, how can I help you today?

USER: Can you assist me to reserve a flight ticket from MSP to IAH to meet my wife who is studying her master in university?

ASSISTANT: Sure, I will help you. Can you please help me with travelling dates?

USER: Sure, I am planning to move to that location on 04/23 and return back on 04/25.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: Sorry to inform you, there are no flights found with the details you given.

USER: Ok, I can reach other booking agencies to book my flight ticket. That's fine.

ASSISTANT: You are welcome. Thank you for reaching our travel agency.

USER: Thank you.