You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What can I do for you?

USER: Frank Anderson here.

ASSISTANT: Nice to meet you Frank Anderson.

USER: I have a function in New York.Can you please help me for booking a ticket?

ASSISTANT: Could you please mention your airport codes?

USER: My airport codes are from AZ-PHX to NY-EWR.

ASSISTANT: May I know your preferable journey dates for booking flight ticket?

USER: My departure date is 10/25 and return date is 10/27. Make sure my connections limit is 1. My price limit is 200.

ASSISTANT: There is a flight ticket available as per your requirements and airline is Delta and flight number is 1003. Shall I proceed?

USER: Please proceed for booking.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you for helping me.

ASSISTANT: Thank you for contacting us.