You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you at this moment?

USER: I am Debra Carter, can you help me to book a flight from SEA to ORD?

ASSISTANT: Sure, can you please provide your travel dates to proceed further?

USER: Ok, my travel dates are 09/09 and 09/11.

ASSISTANT: Wait a moment please.

USER: Ok, I will wait.

ASSISTANT: Debra Carter, there are no flight services available on this route on your provided dates.

USER: That's ok, thank you for your help.

ASSISTANT: Thank you for contacting us.