You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Myself Melissa King, can you help to book a flight from Houston, TX - HOU to MCO. Can you please book on my name?

ASSISTANT: Ok, can you please mention your travelling dates for this journey?

USER: Ok, my travel dates are 04/23 and 04/25 respectively.

ASSISTANT: Ok, please allow me to check with the flights available on your requested details.

USER: Ok, I will wait.

ASSISTANT: Sorry for the inconvenience but there is no flights available on your provided dates.

USER: That is ok, thank you for assisting me by checking.

ASSISTANT: Thank you for choosing our services. Have a nice day.