You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hi. How may I help you?

USER: I'm Katherine Roberts here. I want to travel from CA-LAX to PA-PHL to meet my friend.

ASSISTANT: Ok, may I know your date of travelling?

USER: Sure, my dates of journey is from 02/05 to 02/07. Do you have any ticket for me?

ASSISTANT: There is a flight with 1009 number it belong to sprint airlines, can I proceed for booking?

USER: Sure, may I know the price of this flight please?

ASSISTANT: Price limit is 100 with 1 connection.

USER: Please proceed to book.

ASSISTANT: Your booking is confirmed.

USER: Thank you for your service.

ASSISTANT: Thank you, have a safe journey.