You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am James Turner.

ASSISTANT: How can I assist you?

USER: Please book me a ticket from IAH to IAD to meet my family.

ASSISTANT: Please share your trip dates.

USER: I have planned to travel on 04/10 and return on 12.

ASSISTANT: Do you need any requirements?

USER: I need a halt.

ASSISTANT: Please wait a second.

USER: Ok.

ASSISTANT: Sorry to inform you there are no available flights on your routes.

USER: Ok, that's not an issues. Thank you.

ASSISTANT: Thank you for choosing us.