You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you now?

USER: Please help me to book a flight ticket from PHL to OAK.

ASSISTANT: Sure, can I have your  travel  dates please?

USER: My journey dates are from Nov, 09 to Nov, 11.

ASSISTANT: Ok, please let me know  your  preferable timings of your  journey.

USER: I prefer to depart in the afternoon.

ASSISTANT: Do you  have any other specifications?

USER: I need a single connecting flight.

ASSISTANT: Can I have your  good name please?

USER: Charles Clark.

ASSISTANT: Frontier airlines running a flight in your  route with connection 1 and the ticket fare is 100. Shall  I proceed with booking?

USER: Please proceed.

ASSISTANT: Ok, your ticket booking has done and the flight number is 1002.

USER: Thank you.

ASSISTANT: Thank you  for choosing us, have a great  journey.