You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: As I am a scientist, I want to attend science festival with my students at Washington. Can you do the reservation?

ASSISTANT: Sure, we are rapturous to help you. When are you planning to make your journey?

USER: My travel dates are 05/23 and 05/25.

ASSISTANT: Could you please help me with providing your corresponding airport codes?

USER: My airport codes are ATL-DCA.

ASSISTANT: Can you please mention your price limit for this trip?

USER: Price should not cross 500.

ASSISTANT: May I know your good name please?

USER: Susan Martinez here.

ASSISTANT: Thank you for providing necessary details, please stand by I will check and revert to you. We have found a connecting flight with  UA  airlines, flight number 1025 and the fare of 200.

USER: Ok. Please do the booking.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for reaching us.