You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hi. How can I help you today?

USER: I am Emily Allen want to visit Washington, can you book a ticket from PHL to DCA?

ASSISTANT: Please let me know your travel dates.

USER: Sure, my travelling dates will be 10/02 and 10/04.

ASSISTANT: Hold on for a moment.

USER: Ok.

ASSISTANT: Delta airlines with flight-1020 with 1 connection is available for you.

USER: Ok, proceed with my booking.

ASSISTANT: Your ticket is confirmed with price 100.

USER: Thank you.

ASSISTANT: Thank you for using our services.