You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Amy Nelson from Oakland. I would like to visit Washington next week. Can you please book a flight ticket from OAK to IAD?

ASSISTANT: Sure, may I know your planned travel dates please?

USER: Thank you for your positive response, I want to take off on 05/11 and please confirm my return ticket also on 05/13.

ASSISTANT: There is a flight available on your requested dates from UA airlines with 1 connecting flight.Shall I confirm your booking?

USER: That's nice, please confirm this flight ticket for me.

ASSISTANT: Your ticket is booked with flight 1003.

USER: Thank you for assisting me.

ASSISTANT: You are most welcome.