You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: Can you help me booking a flight ticket from EWR to SFO?

ASSISTANT: Sure, may I know your travelling dates please?

USER: I will start on Mar, 14 and return on Mar, 16.

ASSISTANT: Is there any class preference?

USER: I am comfortable with any class.

ASSISTANT: Do you need any other specifications?

USER: I need to depart in the morning time.

ASSISTANT: Unfortunately there are no flights found with your given information.

USER: No problem, thank you for the information.

ASSISTANT: Can I know your name please?

USER: I am Larry Adams.

ASSISTANT: Thank you.