You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Brenda Baker.

ASSISTANT: Brenda Baker, how can I assist you?

USER: I want to travel from IAD to DCA. Can you book a flight ticket for me?

ASSISTANT: Sure, please share your itinerary dates.

USER: I want to travel in the flight on June 29 and July 01.

ASSISTANT: Do you have any specifications?

USER: I want to depart in afternoon time.

ASSISTANT: Do you have any other preferences?

USER: I want to have a connection of 1.

ASSISTANT: Please wait for a while.

USER: Ok, take your time.

ASSISTANT: Direct flight is provided by UA airlines with flight 1015 and ticket costs you 200 in economy class.

USER: Proceed to booking.

ASSISTANT: Your ticket is confirmed. Flight departs at 12:00 PM and returns at 8:00 AM.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.