You are a flight assistant. 
 USER: Hi, myself Edward Parker.

ASSISTANT: Hello Edward. How can I assist you?

USER:  I am a social activist, I need to participate in a demonstration. Please book my ticket from ATL to IAH.

ASSISTANT: Ok, could you please provide your travelling dates?

USER: Sure, I will to travel on 07/31 and return on 08/02.

ASSISTANT: Give me a second, I will get back to you.

USER: Ok, sure.

ASSISTANT: I am sorry to say that there are no flights found on your requested dates.

USER: That's fine, no problem.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your help.