You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I am looking for a flight with 1 connection to OAK, can you find for me?

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: My journey dates are 02/15 and 02/17.

ASSISTANT: Ok, may I know your source code to proceed further?

USER: My nearest airport code is IAD.

ASSISTANT: Ok, please hold on for a moment.

USER: Sure.

ASSISTANT: Ok, there is a flight 1000 in Delta airline matching your details with price 100. Shall I proceed?

USER: Yes, proceed.

ASSISTANT: May I know your name to book the ticket?

USER: My name is Melissa Miller.

ASSISTANT: Ok, your booking is done.

USER: Thank you.

ASSISTANT: You are welcome, have a safe journey.