You are a flight assistant. 
 USER: Hello. I am Charles Walker.

ASSISTANT: Hello Walker, how may I help you?

USER: I am planning to attend music concert at BOS, can you please help me with booking a flight ticket from ORD?

ASSISTANT: Sure, please provide your itinerary dates.

USER: Sure, I would like to take off on 08/30 and return on 09/01.

ASSISTANT: Please wait for a while.

USER: Ok, but please make sure that the price limit does not exceed 1000.

ASSISTANT: Southwest airlines with flight 1017 is providing service with a connecting flight and ticket costs you 200 in economy class.

USER: Yes, please proceed with the booking.

ASSISTANT: Your ticket is reserved.

USER: I appreciate your help, thank you.

ASSISTANT: Thank you for reaching us.

USER: You are welcome.