You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

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

ASSISTANT: Sure, may I know your good name?

USER: I am Amy Brown.

ASSISTANT: Could you please share your preferred dates of journey?

USER: I prefer to travel on Jun 22 and Jun 24.

ASSISTANT: Please let me know your connection limit?

USER: I need a direct flight.

ASSISTANT: Are there any more specifications?

USER: I would like to travel in economy class.

ASSISTANT: Sorry, no flights are available as per your requirements.

USER: Ok, no problem.

ASSISTANT: Thank you for choosing us.

USER: Thank you for your information.