You are a flight assistant. 
 USER: Hi. I am Angela Allen.

ASSISTANT: Hello,how can i support you for the day?

USER: Can you please hold me a flight ticket within the price range of 200 to Seattle?

ASSISTANT: Sure, when you are willing to travel?

USER: I will depart on 06/21 and return on 06/23.

ASSISTANT: Can you please help me out with your airport codes?

USER: I want to fly from Washington, DC - IAD to reach WA - SEA.

ASSISTANT: Do you need any flag stops in between your journey?

USER: Yes, I need a flag stop.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: Thank you for your time.

USER: It's ok.

ASSISTANT: There is a flight with 1008 Delta airlines with single connection and price of 100.

USER: Please proceed.

ASSISTANT: Your ticket has been conformed.

USER: Thank you for your support.

ASSISTANT: Thank you for reaching us.