You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I oblige you today?

USER: Can you please help me to book a flight from SEA to OAK?

ASSISTANT: Sure, may I know your good name?

USER: I am Brian Collins.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: I want to depart on May 16 and need to return on May 18.

ASSISTANT: Do you have any preferences?

USER: I am looking for a flight with single connection.

ASSISTANT: We found a connecting flight 1025 from Hawaiian airline has fare 100. Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been confirmed in economy class.

USER: Thank you.

ASSISTANT: Thank you for reaching us.