You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: I want to fly from SEA to ATL. Can you check the flight availability on that route?

ASSISTANT: Sure, please share me your travel dates.

USER: My planned travel dates are 02/18 and 02/20.

ASSISTANT: May I know your class preferences?

USER: No issues with my class preferences.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I want a flight with single connection. with normal cost.

ASSISTANT: Is there any time concern for you?

USER: No more, thank you for asking.

ASSISTANT: Please share me your airline specifications.

USER: I am comfortable with normal cost preference.

ASSISTANT: We found a UA airlines and 1000 is flight number with a fare of 100. Shall I proceed?

USER: Yes, you can proceed with that booking.

ASSISTANT: For booking, we need your good name. Please mention it.

USER: Sure, Ryan Robinson here.

ASSISTANT: Your ticket is confirmed with an economy class.

USER: Thank you for the booking.

ASSISTANT: Thank you for opting us.