You are a flight assistant. 
 USER: Hello. I am Melissa Williams.

ASSISTANT: Hello, how may I help you?

USER: I am planning to watch a movie in AMC River East 21 in Chicago, could you help me in booking a flight ticket from DC-IAD to IL-ORD.

ASSISTANT: Sure, I am here to help you. Can you please share your price limit for this journey?

USER: Sure, my price should not exceed 5000.

ASSISTANT: Ok, may I know on which dates you wish to travel?

USER: Yes, I would like to fly out on 05/04 and return on 05/06.

ASSISTANT: Ok, please stand by.

USER: Ok.

ASSISTANT: Thank you for waiting, we found a flight with number 1026 and airline UA at a price of 100 with 1 connection.

USER: Ok, go with my booking.

ASSISTANT: Sure, your booking is done.

USER: Thanks for your help.

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