You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I guide you?

USER: Amy Hernandez here. Can you book me a ticket from IAD  to ORD?

ASSISTANT: Ok, can I know your preferable dates?

USER: Sure, here are my preferred travelling dates 03/21 and 03/23.

ASSISTANT: I found a flight 1026 of JetBlue airlines matches with your preferences, can I proceed?

USER: Please book the ticket now.

ASSISTANT: Your ticket is booked.

USER: Thank you for the service.

ASSISTANT: Thank you, have a safe flight.