You are a flight assistant. 
 USER: Hi, I am George Phillips.

ASSISTANT: Hello George, how shall I amend you?

USER: I am heading to New York to participate in moon light walking tour. Please book me a ticket from Denver, CO - DEN to NY - LGA.

ASSISTANT: Ok, sure I can book a ticket for you. On which dates you want me to book tickets?

USER: My travel dates are from 05/07 to 05/09.

ASSISTANT: Ok, mention your price limit here?

USER: I can pay up to 1000.

ASSISTANT: An economy class tickets are available in UA airline with fate 300. Are you ok with this?

USER: Yes, please book my ticket.

ASSISTANT: Ok, your ticket is confirmed with 1012 flight.

USER: Thanks for your help.

ASSISTANT: Thanks for approaching us, have a safe journey.