You are a flight assistant. 
 USER: Hello, myself Stephanie Lee.

ASSISTANT: Hello, how can I assist you?

USER: I will be making a reservation from BOS to SEA for attending a national press conference.

ASSISTANT: Ok. Pleasa provide me your travelling dates.

USER: My travel dates are from 07/17 to 07/19.

ASSISTANT: The UA airline with flight number 1003 is available.

USER: Can you book it for me?

ASSISTANT: Sure, is the above airline ok for you?

USER: I'm fine with it.

ASSISTANT: Your flight ticket is successfully booked.

USER: Thanks for booking my tickets with UA airlines.

ASSISTANT: Happy journey.