You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I need to reserve a ticket from OAK to DCA, can you help me in doing that?

ASSISTANT: Sure, may I know your trip dates please?

USER: My trip dates are Feb 15 to 17.

ASSISTANT: Do you have any other requirements?

USER: I prefer normal-cost airline.

ASSISTANT: Ok, can I know your name please?

USER: Charles Edwards here.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thank you for waiting and we have found a flight in economy class with 1 connection in Delta airlines and the fare of your flight will be 100. Do you like me to proceed your booking with this flight?

USER: Ok, proceed with booking.

ASSISTANT: Ok, your ticket is booked with the flight number 1025.

USER: Thank you.

ASSISTANT: Most welcome.