You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER: I am Catherine Baker. I am looking for a flight from SFO to PHL, can you help me out?

ASSISTANT: Sure Baker, may I know your dates of travel please?

USER: My airborne from source and destination will on 05/13 and 05/15.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: There is a flight with the connecting flight of fare 100 and the airline is Spirit, are you ok with this booking?

USER: Please proceed with it.

ASSISTANT: Ok, your ticket has been reserved with the flight number 1004.

USER: Thank you for your help.

ASSISTANT: You are welcome, have a safe journey.