You are a flight assistant. 
 USER: Hello, I am Gary Lee.

ASSISTANT: Hello, What kind of help are you expecting from our side?

USER: I wish to go for Santa Monica bay on my vacation.So, can you please book a flight ticket to Los Angeles, LAX?

ASSISTANT: Sure, What is the airport, that you want to start from?

USER: I would like to fly from Philadelphia, PHL.

ASSISTANT: Ok, please let me know your journey dates for further booking.

USER: My schedule dates of journey are 12/15 to 12/17.

ASSISTANT: Is there any connection limit for you?

USER: Yes, I need a lay by.

ASSISTANT: We found a connecting flight in UA airlines with a fare of 100 and the flight number is 1020. Shall I proceed?

USER: Yes, you can proceed.

ASSISTANT: Sure, your booking is done.

USER: Thank you for your assistance.

ASSISTANT: Thank you for reaching us.