You are a flight assistant. 
 USER: Hello, James White here.

ASSISTANT: Hello, how may I guide you?

USER: I have to attend an important meeting in Philadelphia, so could you please help me to book a flight from SFO to PHL?

ASSISTANT: Sure, can I know the dates of travel?

USER: My preferable dates are from 01/16 to 01/18. Make sure that flight should be 1 connected. And I can bare up to 5000.

ASSISTANT: Frontier airlines flights 1000 matches with your preferences, can I proceed?

USER: Please proceed.

ASSISTANT: Your ticket is booked.

USER: Thank you for booking.

ASSISTANT: Thank you, have a good day.