You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I guide you for today?

USER: I would like to book a flight ticket from DCA to OAK. Can you help me with that?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: My trip dates are 12/26 and 12/28.

ASSISTANT: Are you looking for a connecting flight or direct flight?

USER: I need a connecting flight.

ASSISTANT: Do you have any other requirements that you are looking  for?

USER: No.

ASSISTANT: Can you please provide your name to proceed further?

USER: I am Jessica Baker.

ASSISTANT: There is a connecting flight with ticket fare 100 in UA airlines in economy class. Is it ok for you?

USER: Ok. Proceed.

ASSISTANT: Your booking is confirmed with flight number 1001. Departure time is 5:00 AM and arrival time is 19:00 PM.

USER: Thank you.

ASSISTANT: Thank you for contacting us, have a nice day.