You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,.

USER: I am Kenneth Clark.

ASSISTANT: How can I assist you?

USER: I would like to attend my friend's wedding at Detroit, DTW. Can you help me in booking a flight ticket with fare 500?

ASSISTANT: Sure, on what dates you want to travel?

USER: I want to travel on  12/09 and again return on 12/11.

ASSISTANT: Let me know your boarding airport code?

USER: My boarding point is Chicago, ORD.

ASSISTANT: Please wait for a second.

USER: Sure.

ASSISTANT: Thanks for your time, I found a connecting flight from Hawaiian airline of fare 100 and flight number 1000. Shall I proceed?

USER: Please, proceed.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your help.

ASSISTANT: Thanks for availing us.