You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I serve you?

USER: I am Debra Nelson, want to travel from ORD to OAK. Can you please help me?

ASSISTANT: Sure, I will help you. May I know your travelling dates?

USER: Thank you. My travel dates are from 05/15 to 05/17.

ASSISTANT: Do you have any preferences?

USER: I need a single connection.

ASSISTANT: Please wait.

USER: Ok.

ASSISTANT: Thanks for waiting, You have a flight 1003 in UA airline with economy class having price 100 with a connection, Shall I proceed?

USER: Please proceed with the booking.

ASSISTANT: Your ticket has been reserved.

USER: Thank you so much.

ASSISTANT: Thank you.