You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I need to travel from IAH to SEA, can you help me in doing that?

ASSISTANT: Can I know your travelling dates?

USER: My journey dates are Nov 23 to 25.

ASSISTANT: Do you have any specification?

USER: I need a connecting flight.

ASSISTANT: May I know your name?

USER: I am Sandra Harris.

ASSISTANT: Sorry, there is no flight with your travelling dates.

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Thank you.