You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. Which service you would like to have?

USER: I am Kenneth Mitchell.

ASSISTANT: Kenneth, how are you doing?

USER: I like to travel from DCA to OAK, can you help in booking a flight ticket for me?

ASSISTANT: Sure, let me know your dates?

USER: My date of travelling is on 01/09 to 01/11.

ASSISTANT: I got a flight 1005 of Frontier airlines, which matches you. Can I proceed?

USER: Yes, proceed for booking.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us, have a nice trip.