You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I am planning to take my children to International Children's Festival at New York, LGA. Can you help me to book a ticket from Denver, DEN?

ASSISTANT: Sure. How much can you spend on your flight ticket?

USER: Price should not cross 500.

ASSISTANT: when you have planned your journey?

USER: My travel dates are 02/20 and 02/22.

ASSISTANT: There is a flight 1007 in Hawaiian airline with fare 100 having a connection. Shall I proceed with booking?

USER: Go ahead.

ASSISTANT: May I know your name to proceed further?

USER: I am Linda Lewis.

ASSISTANT: Reservation is done.

USER: Thank you so much.

ASSISTANT: Thank you for reaching us, have a great day.