You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What service you are expecting from us?

USER: I am looking for a flight from IAD to DCA, can you help me out?

ASSISTANT: Yes, I can help you. Will you please provide me your travelling dates?

USER: My travel dates are from 09/01 till 09/03.

ASSISTANT: Ok, can I have your good name for booking process?

USER: Myself Katherine Clark.

ASSISTANT: I found a flight with connection limit 1, the flight number is 1004 and the price is 100. Would you like me to proceed with booking?

USER: Please proceed with it.

ASSISTANT: Yes, I have confirmed your ticket and the flight airlines is Frontier.

USER: Thank you for your help.

ASSISTANT: It's my pleasure. Thank you for approaching us.

USER: Welcome.