You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Kenneth Thomas here.

ASSISTANT: How can I assist you today?

USER: I want to book a flight ticket from Chicago to New York to meet my office partner, can you book a flight ticket for me?

ASSISTANT: Sure, I will you help you on that. Will you provide your travelling dates?

USER: My preferable planning dates are 09/02 and 09/04.

ASSISTANT: Please provide your airport codes that you want to travel.

USER: Sure, the airport codes are form ORD to EWR.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: Thank you for waiting. There is no flights found under your details.

USER: That's fine, no problem with that.

ASSISTANT: Thank you for reaching us.

USER: I will reach other booking agencies to book my ticket, thanks for your help.

ASSISTANT: Have a great day.