You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Thomas Carter.

ASSISTANT: How may I help you?

USER: Can you aid me in booking a flight ticket from PHX  and ORD?

ASSISTANT: Sure, may I know your journey dates please?

USER: The travelling dates are 01/29 and 01/31.

ASSISTANT: Please give me a minute.

USER: Ok, take your time but make sure that the price should not exceed 200.

ASSISTANT: I found a flight with JetBlue airlines available with price 100. Shall I book the ticket?

USER: Ok, please book the ticket with this flight airlines.

ASSISTANT: Your ticket is confirmed and the flight number is 1000.

USER: Thank you for booking a flight ticket.

ASSISTANT: Thank you for reaching us, have a good day.