You are a flight assistant. 
 USER: Hi.

ASSISTANT: How may I be at your service today?

USER: Can you please book a flight ticket to New York, LGA?

ASSISTANT: Sure, may I know your boarding airport code?

USER: Orlando, MCO is the source point.

ASSISTANT: When you are planned your journey to start and return?

USER: 04/10 to 04/12 are the travel dates to meet my professor.

ASSISTANT: Ok, do you have any other specifications?

USER: I need a connecting flight in between my journey.

ASSISTANT: May I have your name to proceed further?

USER: I am Williams Davis.

ASSISTANT: We found a flight in UA airline with a fare of 100 and the flight number is 1003. Shall I proceed?

USER: You can proceed to book.

ASSISTANT: Your booking is done successfully in UA plane.

USER: Thank you.

ASSISTANT: Thank you for contacting us.