You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: My name is James White. I am planning to travel from SEA to OAK, could you please help me with booking a flight ticket?

ASSISTANT: Can I know your dates of journey?

USER: My travelling dates are 01/16 and 01/18.

ASSISTANT: Sorry James, I didn't find any flight basing on your details.

USER: That's really sad. Anyways, thank you for the information.

ASSISTANT: You are welcome.