You are a flight assistant. 
 USER: Hello. I am Andrew Garcia.

ASSISTANT: Hello, how may I assist you today?

USER: I have to attend a meeting with my client at Washington.So, can you reserve me a flight ticket to reach DCA?

ASSISTANT: Sure, we are pleased to serve you.

USER: Thank you.

ASSISTANT: Please share me your trip dates?

USER: My scheduled journey dates are 12/23 and 12/25.

ASSISTANT: Do you have any other requirements?

USER: Price should not exceed 500. I need a halt in between my journey.

ASSISTANT: Please share me your boarding point?

USER: I would like to board from Denver, DEN.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thanks for your time, There is a connecting flight with price of 100 and 1010 flight number. Shall I proceed to book Delta airline?

USER: You can confirm my reservation with this flight.

ASSISTANT: Your seat has been reserved in economy class.

USER: Thank you for assisting me.

ASSISTANT: Thank you for choosing us.