You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to travel from IAH to DTW for my business meeting, can you please help me out with searching a flight ticket?

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: Thank you for accepting my request, my departure is on May 28 and please book my return ticket on May 30.

ASSISTANT: Do you have any class preferences?

USER: No.

ASSISTANT: Can I know your requirements?

USER: I would like to return in morning time.

ASSISTANT: Let me know your name to proceed?

USER: Sure, my name is Amanda Hall.

ASSISTANT: Sorry to say, no flight is available for you as per your requests.

USER: Oh! Sad to hear that. Anyway, I will find another alternative. Thank you for checking.

ASSISTANT: Thank you for reaching us.