You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you today?

USER: I am Kimberly Jones want to book a ticket to ORD from SEA, can you please help me in booking?

ASSISTANT: Sure, I am happy to help you with that. Can you please share your preferable journey dates?

USER: My preferred dates are from Mar 25 to Mar 27.

ASSISTANT: Do you have any class preference?

USER: I am comfortable with any class.

ASSISTANT: I am sorry to say that there is no flight found under your details.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.