You are a flight assistant. 
 USER: Hello, I am Cynthia Hernandez.

ASSISTANT: Hello, how may I assist you?

USER: I want to visit all historical places at Phoenix, AZ-PHX. Could you please help me with booking a flight ticket from TX-IAH?

ASSISTANT: Sure, may I know your journey dates?

USER: Sure, I intent to board on 10/12 and return on 10/14.

ASSISTANT: Wait a moment I will be back and revert you. I have found a flight with airline Delta and flight number is 1015 with price 100. Can I proceed?

USER: Yes, Please proceed.

ASSISTANT: You ticket has been done.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.