You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Michael Baker.

ASSISTANT: Baker, how can I assist you today?

USER: I'm searching for a direct flight, can you please help me in finding a flight?

ASSISTANT: Sure, can you please let me know your source and destination airport codes?

USER: Sure, my travelling locations are from IAH to DTW.

ASSISTANT: Ok, let me know your trip dates.

USER: My travelling dates are from 07/10 and 07/12.

ASSISTANT: Sorry Baker, no direct flights available on your given dates.

USER: It's ok. Thank you for the information.

ASSISTANT: Thank you very much for contacting us and have a nice day.