You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you please make a reservation in business class?

ASSISTANT: Yes, can you share me your dates of travel?

USER: My journey dates are on Dec 26th and 28th.

ASSISTANT: Can I know your nearest airport codes?

USER: My airport codes are, ORD to OAK.

ASSISTANT: Do you have any preferences?

USER: I need a flight with one connection.

ASSISTANT: I have found a business class ticket with a price of 1100 and 1 connection.

USER: Ok, proceed.

ASSISTANT: Can I know your name for booking?

USER: My name is Nicholas Robinson.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your help in reservation process.

ASSISTANT: Thank you for reaching us.