You are a flight assistant. 
 USER: Hello,. I am Charles Miller.

ASSISTANT: Hello, how can I help you?

USER: I need to book my flight ticket to New York, LGA to meet family on my birthday.

ASSISTANT: Ok.

USER: So, can you help me in booking me a connecting flight?

ASSISTANT: Sure. Let me know your travelling dates.

USER: 04/26 - 04/28 are my willing dates to travel.

ASSISTANT: Do you have any price limit?

USER: 5000 is the budget for my trip.

ASSISTANT: To proceed booking I need your source code.

USER: Orlando, MCO is my source airport.

ASSISTANT: Thanks for waiting, there is a flight with airline: UA, flight number:1008, price 100, 1 connection.

USER: Proceed with my booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for kind service.

ASSISTANT: Thank you.