You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I help you today?

USER: I make a plan to give my parents a surprise visit, help me to book a flight from Philadelphia PA-PHL.

ASSISTANT: Sure, I can help you for that. May I know your name please?

USER: Sure, my name is Ruth Edwards.

ASSISTANT: And could you tell us the destination, with your travelling dates please?

USER: My destination airport is San Francisco, CA-SFO. I am travelling on 05/24 and my return ticket will be on 05/26.

ASSISTANT: OK thank you. Allow us for a minute here, I will search with the availability and get back to you.

USER: Sure.

ASSISTANT: Thanks for waiting, we found a flight on your specified dates.

USER: OK.

ASSISTANT: The details are as follows, flight number is 1028 with Southwest airlines, and price of 100 with 1 connection. Shall I proceed with the booking?

USER: Sure.

ASSISTANT: OK, your ticket has been confirmed.

USER: Thanks for your service.

ASSISTANT: Thank you for connecting with us.