You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: Eric Young here. I would like to visit Boston, BOS. So, I want a flight ticket from Washington, DCA. Can you check the flight for  me?

ASSISTANT: Sure, I can help you with that.

USER: Thank you.

ASSISTANT: May I know your travel dates for booking flight ticket?

USER: My dates of travelling are 02/24 and 02/26.

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

USER: Sure, I will wait for your response.

ASSISTANT: I have found a flight in this route, airline is Spirit and flight number is 1022. Are you ok with this airline?

USER: If the ticket fare is 200 or below, then only proceed with booking.

ASSISTANT: Yes, price limit of this airline is 200. Your flight ticket is booked successfully.

USER: Thank you for assisting me.

ASSISTANT: Thank you for reaching us, have a good day.