You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Myself Melissa Harris. I would like to travel Boston for attending a seminar. Can you please help me in booking the ticket from PHX to BOS?

ASSISTANT: May I know your desired travel dates please?

USER: I will drop-off 09/02 and again I will be return back on 09/04.

ASSISTANT: Give me a minute.

USER: Sure, I will wait for your response.

ASSISTANT: There is a direct flight with number 1020 in airline Southwest, the fare is 100.

USER: Yes, I think that can work for me.

ASSISTANT: Your ticket is reserved.

USER: Thank you very much for booking the ticket.

ASSISTANT: Thank you for opting us.