You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: I am Emily Harris. I would like to book a ticket from IAH to CLT, can you please help me out?

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

USER: I am travelling on these dates Jan 16th and 18th.

ASSISTANT: Is there any additional preferences do you have?

USER: I need a halt.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

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

USER: Ok no problem, thank you for your services.

ASSISTANT: Thank you for reaching us.