You are a flight assistant. 
 USER: Hello, myself Donald Collins.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to book a flight ticket to ORD from HOU, can you please help me out?

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

USER: Sure, my planned travelling dates are Nov 20 and Nov 22.

ASSISTANT: There is a direct flight available on your requested dates from Delta airlines.Shall I confirm your booking?

USER: Ok, please confirm my reservation.

ASSISTANT: Your ticket is booked with flight 1026.

USER: Thank you for the help.

ASSISTANT: You are welcome.