You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am David Turner.

ASSISTANT: Nice to meet you David Turner.

USER: Can you please book me a ticket With the fare of 200?

ASSISTANT: Sure, I will help you with that. Please provide me your travel dates.

USER: I would like to leave between 02/26 and 02/28.

ASSISTANT: Can I have your travelling airport codes?

USER: It is a round trip from OAK.

ASSISTANT: Please wait for a minute. As per your request, I found a flight with price 100 and connection 1. Shall I proceed?

USER: Yes, please book this ticket.

ASSISTANT: Your ticket has been booked with your name and flight number 1003.

USER: Thank you.

ASSISTANT: My pleasure.