You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I help you?

USER: I am Melissa Collins. I am planning to take my children to International Children's Festival at New York, LGA. Can you please make a reservation from Denver, DEN?

ASSISTANT: Sure, I am happy to help you. Can you please share your travel dates?

USER: My journey start on 07/30 and I return on 08/01.

ASSISTANT: Do you have any specifications?

USER: I need a connected flight. I can spend up to 5000 for airfare.

ASSISTANT: There is a flight of UA airline of flight number 1003 having a halt and fare is 200. Shall I proceed with booking?

USER: Ok, proceed.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for your assistance in booking.

ASSISTANT: Thank you for opting us, have a safe journey.