You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I am Karen Collins. I want to book a ticket from SFO to SEA, can you help me?

ASSISTANT: Sure, we are here to help you. Let me know when you are willing to travel?

USER: My travel dates are 01/26 and 01/28.

ASSISTANT: Ok, wait for some time.

USER: Sure.

ASSISTANT: Thanks for waiting there are no flights found on your details.

USER: No problem, thanks for checking.

ASSISTANT: Thanks for approaching us.