You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I am Joshua Hernandez. I am planning for a holiday trip to ATL, so can you help me to book a flight from DCA?

ASSISTANT: Ok, may I know your trip dates?

USER: My journey dates are 02/03 and 02/05.

ASSISTANT: Here is a flight ticket with fare 100 and provided by UA airline with 1014 flight number. Shall I proceed for booking?

USER: Proceed with booking.

ASSISTANT: Your ticket is confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.