You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I want to book a flight ticket from OAK to LAX to meet my friends and conduct a event. Could you please help me with booking a flight ticket?

ASSISTANT: Sure, I will help you. When would you like to plan your journey?

USER: I want to start my journey on Jan 16 and end my journey on Jan 18.

ASSISTANT: May I know your name please for booking purpose?

USER: I am Richard Lewis.

ASSISTANT: Are you looking for a connecting flight?

USER: Yes, I prefer to travel in a connecting flight.

ASSISTANT: May I know your class preference?

USER: I do not have any class preference but I want to travel in a normal cost airline.

ASSISTANT: Do you have any other specifications?

USER: No, I do not have any other preferences.

ASSISTANT: Richard Lewis, no flights has been found on your specifications.

USER: No worries, thank you for the information.

ASSISTANT: Thank you for reaching us.