You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you today?

USER: Can you please help me with booking a flight ticket from LAS to OAK?

ASSISTANT: Sure, can you please share your preferable journey dates?

USER: Journey dates are Mar 21 and 23.

ASSISTANT: May I know your name please?

USER: My name is Michael Adams.

ASSISTANT: Do you have any specifications?

USER: I would like to depart at morning.

ASSISTANT: Is there any connection limit?

USER: I need a connecting flight.

ASSISTANT: I am sorry to say that there is no flight found under your details.

USER: That's ok. Thank you.

ASSISTANT: Thank you for reaching us.