You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Susan Miller. Could you please help me with booking a flight ticket from JFK to HOU?

ASSISTANT: Ok, may I know your travelling dates?

USER: I would like to take off on 09/13 and return on 09/15.

ASSISTANT: Sorry, no flights found on your preferable dates.

USER: That's ok, no issues. Thank you for the information.

ASSISTANT: Thank you for reaching us.