You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am David Williams. I would like to book a flight ticket from IAD to AUS.

ASSISTANT: SureDavid, may I know your respective travel dates?

USER: Sure, I am planning to start on 06/23 and fly back on 06/25.

ASSISTANT: Ok David, please give me a moment to check.

USER: Ok, please take your best time.

ASSISTANT: Thank you for your patience. JetBlue airline with connection 1 is available. Do you want me to proceed?

USER: Ok, please proceed the booking process.

ASSISTANT: Your ticket has been confirmed successfully. Thank you for reaching us.

USER: Great! Thank you for your good service.

ASSISTANT: You are most welcome.