You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am Sharon Gonzalez. My sister blessed with a baby, so I need to go from DEN to MCO.

ASSISTANT: Please let me know your travel dates.

USER: My travelling dates are 06/03 to 06/05.

ASSISTANT: Sorry Sharon, there are no flights available at this moment with your preferences.

USER: It's ok.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your immediate response.