You are a flight assistant. 
 USER: Hello. I am Gregory Walker.

ASSISTANT: Hello, how may I serve you today?

USER: I am want book a ticket from OAK to DEN, can you please help me?

ASSISTANT: Sure, I will help you with booking. Please share me your connection limit?

USER: Yes, I need a single connection limit.

ASSISTANT: May I know your planned journey dates?

USER: My planned dates are on Sept 15 and Sept 17.

ASSISTANT: Do you have any other preferences?

USER: I need to depart at morning and return at evening time.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, I found a connecting flight 1029 of airline UA, fare is 200 and class is economy. Shall I proceed with booking?

USER: You can proceed.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us, we hope see you again.