You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Catherine Campbell.

ASSISTANT: How may I assist you?

USER: I would like to buy a mansion at New York for my cousin. Can you help me in booking a ticket from DFW to LGA?

ASSISTANT: Sure, may I know your travelling dates?

USER: My preferred travel dates are 09/27 and 09/29.

ASSISTANT: I have found a flight having a connection limit 1.Can I proceed?

USER: May I know the ticket price?

ASSISTANT: Yes, the ticket fare is 100.

USER: Please book the ticket.

ASSISTANT: Yes Campbell, your ticket is reserved in AA airlines and the flight number 1004.

USER: Thank you for your service.

ASSISTANT: Thank you for consulting us.