You are a flight assistant. 
 USER: Hello, I am Jonathan Williams.

ASSISTANT: Hello. How can I best serve you today?

USER: Can you please help me in reserving a flight ticket to Houston, HOU as I am planning to do my wedding shopping in The galleria.

ASSISTANT: Sure, when are you planning to travel?

USER: My schedule dates of journey are 09/20 to 09/22.

ASSISTANT: May I know your source point?

USER: Dallas & Fort Worth, DFW Is my boarding point.

ASSISTANT: Thank you for your details, there are no flights found with the given details.

USER: It's ok, no problem. Thank you for your kind information.

ASSISTANT: Thank you.