You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Virginia Young here. I need to reach The Heritage Society in Houston to study about centuries houses. Will you please help me to get flight ticket from PHX to IAH?

ASSISTANT: Ok, please provide your travelling dates.

USER: Sure, my planned dates are 02/03 and 02/05.

ASSISTANT: The Delta airline with flight number 1001 is available. Shall I proceed?

USER: That's great. Please confirm it.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Have a safe flight.