You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I be of your assistance?

USER: Can you help me book a connecting flight from Oakland to Seattle on the name of Benjamin Green?

ASSISTANT: Sure, may I know your preferable journey dates?

USER: I will depart on 03/31 and return on 04/02.

ASSISTANT: Where do you want to travel?

USER: I need to travel from OAK to SEA.

ASSISTANT: May I know your price preference?

USER: I must be within 200.

ASSISTANT: Just a moment I will check and get back to you.

USER: Sure.

ASSISTANT: Unfortunately we do not provide any connecting flight on requested dates.

USER: Ok, thank you for your response.

ASSISTANT: Thanks for picking us.