You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you today?

USER: I want to book a ticket from DTW to ORD, can you help me?

ASSISTANT: Sure, I will help you with that. Can you please share your trip dates?

USER: My travel dates are 01/12 and 01/14.

ASSISTANT: May I know your name please?

USER: Myself Christopher Adams.

ASSISTANT: Wait for a moment.

USER: Sure.

ASSISTANT: I am sorry to say that there is no flight found under your details.

USER: No problem, thanks for checking.

ASSISTANT: Thank you. Have a great day.