You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: My name is Nicholas Allen. I have a business meeting in Philadelphia, can you help me for booking a flight ticket?

ASSISTANT: Sure, I am glad to help you. Can you please share your planning dates of journey?

USER: My travelling dates are from 06/13 till 06/15.

ASSISTANT: Ok, may I know your airport codes?

USER: My travelling airport codes are from OAK to PHL.

ASSISTANT: Flight 1025 in Hawaiian airlines is available for you with 1 connection and fare is 100. Shall I proceed?

USER: Ok, please proceed for booking.

ASSISTANT: Your booking is confirmed.

USER: Thank you for booking.

ASSISTANT: Welcome, have a safe flight.