You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: I planned to meet my friend in DTW, can you please help me to book a flight ticket from ORD?

ASSISTANT: Sure, can you please share your preferable journey dates?

USER: I prefer to travel on Mar 27 and Mar 29.

ASSISTANT: May I know your name please?

USER: I am Alexander Lopez.

ASSISTANT: Do you have any specifications?

USER: I prefer to travel in a connecting flight.

ASSISTANT: I am sorry to say that there is no flight found under your details.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for reaching us.