You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jessica Jackson from Washington.

ASSISTANT: How can I assist you today?

USER: Can you please book a flight ticket from DCA to DTW?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: Thank you, I want to take off on 03/25 and confirm my return ticket also on 03/27.

ASSISTANT: Please give me a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, there is no flights found under your details.

USER: Oh! It's ok no problem, I will go with another airline. Thank you for your information.

ASSISTANT: Welcome, have a great day.