You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Christopher Garcia.

ASSISTANT: How can I assist you?

USER: I am planning to travel from CLT to SEA.

ASSISTANT: May I know your travelling dates?

USER: My travelling dates are 01/03 to 01/05.

ASSISTANT: Sorry, no flight found on your preferable dates.

USER: That;s ok. Thank you.

ASSISTANT: Thank you for reaching us.