You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Emily Lewis here.

ASSISTANT: How can I help you today? Yes Lewis.

USER: I am a movie director, so I want to shoot a small scene in Boston, so could you please book a ticket from DTW to BOS?

ASSISTANT: Sure, when you are going to travel?

USER: My shoot is on 12/26, so my journey dates are 12/25 and 12/27.

ASSISTANT: Sorry, no flights with your details.

USER: That really sad.

ASSISTANT: Anything else to help you.

USER: No, thank you.

ASSISTANT: Thank you for reaching us.

USER: Welcome.