You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist  you today?

USER: Here John Williams. I want to attend a conference meeting at New York. Can you help me out in booking a flight ticket from PHL to EWR?

ASSISTANT: Can you please provide me your travelling dates? Please wait a moment.

USER: My travelling dates are 05/28 and 05/30.

ASSISTANT: There is a direct flight available with the price 100. can I proceed in booking?

USER: Sure, proceed with booking.

ASSISTANT: Your ticket has been booked with Sprint airlines and the flight number is 1003.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching our service. Have a safe journey ahead.