You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am Anthony Gonzalez.

ASSISTANT: Nice to meet you.

USER: I would like to book a ticket to Chicago as I am going for business trip, can you help me out?

ASSISTANT: Sure, will you provide your travelling dates please?

USER: I am flying on these dates 07/27 and 07/29.

ASSISTANT: Will you mention your airport codes please?

USER: My departure and arrival codes are PHX and ORD.

ASSISTANT: Please give me a moment.

USER: Ok.

ASSISTANT: Thank you for waiting. There is a flight with price 100 and the connections 1 is available.

USER: Sure, you can proceed with this flight.

ASSISTANT: Your ticket is booked. The flight number is 1001.

USER: Thank you for your services.

ASSISTANT: Welcome.