You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself John Hall.

ASSISTANT: How can I help you?

USER: I would like to meet my uncle at Chicago, please help me in booking a ticket from PHX to ORD.

ASSISTANT: Let me know your travel dates?

USER: My planned travel dates are on Dec 20 and Dec 22.

ASSISTANT: Do you have any preference?

USER: I would like to return in the afternoon.

ASSISTANT: Connecting flight can be booked with airline American for price 100 having flight number 1014.

USER: Ok, please proceed for booking.

ASSISTANT: Ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thank you.