You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER:  I am a movie actor, I have to meet my producer to discuss about our new movie. So please book my ticket from BOS to EWR.

ASSISTANT: Sure, may I know your travel dates please?

USER: Sure, my preferred journey dates are 02/17 and 02/19.

ASSISTANT: Thanks for waiting online.

USER: Ok.

ASSISTANT: But I am sorry to say that there are no flights available. May I know your name please?

USER: My name is Rachel Clark. Thank you for your services.

ASSISTANT: Thank you.