You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you at this moment?

USER: I want to participate in Olympics at ORD. Can you please book a ticket from IAH?

ASSISTANT: Sure, I will help you with that. Can you please mention your preferable travel dates?

USER: My journey dates are Feb 2 and Feb 4.

ASSISTANT: May I know your name for further process?

USER: Sure, I am Jack Green.

ASSISTANT: Do you need any specific depart and arrival time for this trip?

USER: Yes, my depart and return time is morning.

ASSISTANT: Do you have any another specifications?

USER: I want single connection.

ASSISTANT: Ok, please hold on a moment.

USER: Ok.

ASSISTANT: Sorry, no flights are available in this route as per your requested dates.

USER: Ok, Thank you.

ASSISTANT: Thank you for reaching us.