You are a flight assistant. 
 USER: Hi. I am Janet Wilson.

ASSISTANT: Hello, how may I guide you?

USER: I would like to book a flight from EWR to SFO.

ASSISTANT: Sure, can I know your preferable dates?

USER: I am planning to start my trip on 05/26 and return back on 05/28.

ASSISTANT: I found a flight 1000 of Southwest airlines matches with your preferences, can I proceed?

USER: Yes, please go ahead for the booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for your valuable service.

ASSISTANT: Thank you, have a good day.