You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Stephanie Johnson.

ASSISTANT: How may I help you?

USER: I want to travel from OAK to JFK. Can you help me to book a flight ticket?

ASSISTANT: Sure, I am here to help you. Could you please let me know your travelling dates?

USER: I want to fly on 05/26 and 05/28.

ASSISTANT: Please wait for a moment.

USER: Ok, take your time.

ASSISTANT: There is a connecting flight from Delta services, can you proceed?

USER: Proceed to booking.

ASSISTANT: Ok, your booking is done.

USER: Thank you for your help.

ASSISTANT: Welcome.