You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: Myself Michelle Hernandez from Washington.

ASSISTANT: Nice to meet you Michelle.

USER: I want to go to DTW next week. Can you please book a flight ticket from DCA?

ASSISTANT: Sure, I will help you in flight ticket booking. May I know your travel dates please?

USER: Thank you, I want to take off on 01/27 and please book my return ticket also on 01/29.

ASSISTANT: Thanks for waiting patiently.

USER: It's ok.

ASSISTANT: But I am sorry to say that there are no flights available with your flight details.

USER: Oh! It's ok no problem.

ASSISTANT: Thank you.

USER: Thank you for your information.