You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Myself Cynthia Adams. I am planning travel Washington DC, can you please book a ticket with the airport codes ORD and IAD.

ASSISTANT: Cynthia Adams, Can you please share your travelling dates?

USER: My trip dates are 06/12 and 06/14. My budget is below 500, please search for good airlines.

ASSISTANT: We have found a Spirit airline of 1000 flight number with 1 connection of cost 100. Can I proceed?

USER: You can proceed with the booking.

ASSISTANT: Ok, your ticket is booked.

USER: Thank you for booking ticket.

ASSISTANT: Thank you for reaching us.