You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I am planning to travel from PHL to SFO.

ASSISTANT: Sure, may I know your travelling dates?

USER: My date of travelling   is on 10/15 to 10/17.

ASSISTANT: Ok, wait for a minute. Ok, can I know your name?

USER: I am Christine Harris.

ASSISTANT: Yes Harris, I have found a flight with the Frontier airlines. Can I proceed?

USER: Proceed for booking.

ASSISTANT: Yes, your booking is done successfully with the flight number 1017.

USER: Thank you.

ASSISTANT: Thank you for reaching us.