You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I would like to visit Phoenix to meet my cousin, can you please help me to book a flight ticket from IAH to PHX?

ASSISTANT: Sure, can I know the trip dates please?

USER: Sure, my journey dates are Nov 03 and Nov 05.

ASSISTANT: May I know your name please?

USER: My name is Sandra Robinson.

ASSISTANT: Can I know the connection limit please?

USER: I need a connecting flight.

ASSISTANT: Do you have any requirements?

USER: My class preference is economy.

ASSISTANT: Ok, wait a moment please.

USER: Sure, take your own time.

ASSISTANT: There is a connecting flight in United airline, can I book it?

USER: Ok, please book.

ASSISTANT: Your ticket has been booked with flight number 1020.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us.