You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: I planned to meet my friend in DFW, can you please help me to book a flight ticket from OAK?

ASSISTANT: Sure, can I know your good name please?

USER: I am Eric Williams.

ASSISTANT:  When you are willing to travel?

USER: I prefer to travel on Apr 27 and Apr 29.

ASSISTANT:  Would you let us know if you have any other preferences?

USER: I prefer to travel in a connecting flight.

ASSISTANT: We found a connecting flight 1005 in JetBlue airlines at the cost of 200 with economy class. Can I proceed for booking?

USER: Ok, please confirm my booking.

ASSISTANT: Your booking is done.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.