You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I am Alexander Williams. Can you please help me in booking a flight ticket from BOS to OAK?

ASSISTANT: Sure, I am gleeful to assist you. Do you need any flag stop in between your journey?

USER: I need a single connection.

ASSISTANT: May I know on which dates you are willing to travel?

USER: I would like to fly on May 11 and return on May 13.

ASSISTANT: In which class, you prefer to go?

USER: I am comfortable with any class.

ASSISTANT: Do you have any other essentials to meet?

USER: I would like to return in the morning time.

ASSISTANT: Ok, please standby.

USER: Ok.

ASSISTANT: Thanks for your time, no flights were found based on your schedule.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for choosing us.