You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Betty Hill here.

ASSISTANT: How may I assist you at this moment?

USER: I would like to visit EWR, so please book a flight from PHL.

ASSISTANT: Sure. Can you please let me know your preferable travel dates for booking flight ticket?

USER: My journey dates are 05/15 and 05/17.

ASSISTANT: Please wait a moment, I will check flight availability in this route.

USER: Ok.

ASSISTANT: Based on your information, I have found a flight with 1 connection with the fare of 200 provided by Frontier airlines. Shall I proceed with this?

USER: Proceed with booking.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1013.

USER: Thank you for your help in booking.

ASSISTANT: You are welcome Betty Hill.