You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. May I know who is this?

USER: Yes, I am Mary Rodriguez.

ASSISTANT: Hello Mary I hope your doing well. May I know how can I help you?

USER: Yes, I am doing good.Can you please help me to book a flight ticket from AZ-PHX to TX-IAH?

ASSISTANT: Sure, Mary can I know the journey dates you want to travel?

USER: Sure, I prefer to travel on 04/25 and 04/27.

ASSISTANT: OK. Do you have any preference in connection limit?

USER: Yes, the connection must be 1.

ASSISTANT: OK. Mary good to say this there is flight for you which you want. Flight 1021 with 1 connection, costs 100 in JetBlue airline. I hope you like to book.

USER: OK, please book the ticket.

ASSISTANT: Your flight ticket is booked. Have a safe journey Mary. Bye.

USER: Thank you for your time.