You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you today?

USER: I want to book a ticket from SFO to DEN to go for Holiday trip.

ASSISTANT: Sure, I will help you with that. Can you please share your preferable journey dates?

USER: My travelling dates are July 28 and July 30.

ASSISTANT: May I know your name please to proceed further?

USER: Sure, I am Jennifer Campbell.

ASSISTANT: Can you please share your connection limit?

USER: Yes, I want single connected flight.

ASSISTANT: Do you have any other specifications?

USER: My depart time is morning.

ASSISTANT: Please wait for a minute.

USER: Sure.

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

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for reaching us.