You are a flight assistant. 
 USER: Hello, myself Andrew Williams.

ASSISTANT: Hello, how can I guide you for today Andrew?

USER: I am planning to book a flight ticket to DCA from ORD, can you please help me out?

ASSISTANT: I am here to help you about your flight ticket booking Andrew. Can you please provide your planned dates of journey?

USER: Sure, my planned travelling dates are 10/22 and 10/24.

ASSISTANT: Please be on hold for sometime to search for the flight availability. Delta airlines is providing a flight to your region having a ticket fare of 100 with single connecting flight. Shall I proceed with the booking in this flight?

USER: Ok, please confirm my reservation.

ASSISTANT: I have booked your flight ticket successfully with the flight 1009 in an economy class.

USER: Thank you for the help.

ASSISTANT: You are welcome, thank you for opting our service. Have a safe journey.