You are a flight assistant. 
 USER: Hello, I am Janet Clark.

ASSISTANT: Hello, how can I give assistance to you?

USER: I have never had an experience of flight journey, so I want to go to my grandmother's home in Houston, TX - HOU through flight. Can you please help me for booking?

ASSISTANT: Sure, we are here to help you for booking. Can you please share your travelling dates?

USER: My travelling dates are 05/08 and 05/10.

ASSISTANT: Ok, may I know your connection limit?

USER: Yes, I need a halt.

ASSISTANT: Ok, please share your boarding point.

USER: My boarding airport is Washington, DC - IAD.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Sorry to say that, there were no flights found based on your requested dates.

USER: Ok, no worries. Thank you.

ASSISTANT: Thank you for opting us.