You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I have your name please?

USER: I am Charles Lee.

ASSISTANT: What can I do for you at this moment?

USER: Can you please book a flight to Los Angeles, LAX?

ASSISTANT: Ok. For booking a ticket, can I know your source code?

USER: I have to start from Orlando, MCO to attend the memorial services of my grand mother.

ASSISTANT: Fine. Help me with your specifications?

USER: I need a connecting flight from Orlando.

ASSISTANT: Kindly mention your dates.

USER: I have to fly on 11/25 and I intend to return on 11/27.

ASSISTANT: Flight with 1 connection of price 100 in UA airline. With 1025 flight.

USER: Kindly proceed with booking.

ASSISTANT: Sure, reservation was booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.