You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: My name is Emily Carter. I want to travel from SEA to SEA to attend my business meeting. Will you please help me in booking my ticket?

ASSISTANT: Yes, can you give me your travel dates?

USER: My travelling dates are 12/21 and 12/23.

ASSISTANT: Emily, there are no flights available on those dates. Do you want me to book with some other dates?

USER: No, thank you.

ASSISTANT: Fine, thank you for choosing us.