You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Katherine Green here.

ASSISTANT: How may I help you?

USER: Can you please help me for booking my flight tickets?

ASSISTANT: Ok, Green, please provide me  your travelling details?

USER: My airport codes are DFW and IAD.

ASSISTANT: Ok, may I know your travelling dates?

USER: My travel dates are from 02/29 to 03/02.

ASSISTANT: Ok, wait a moment I will check your flight availability.

USER: Sure,take your time.

ASSISTANT: As per your request flight is available for you.

USER: That's great.

ASSISTANT: Shall I book your flight ticket?

USER: Yes sure, but please firstly tell me how many connecting flights are there?

ASSISTANT: No of connections is 1 and your price details is 100.

USER: Ok. Please proceed my ticket.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you.

ASSISTANT: Have a safe journey.