You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you today?

USER: I want to book a ticket from SFO to MSP, can you help me?

ASSISTANT: Sure, I will help you. Please help me with your name.

USER: I am Jennifer Smith.

ASSISTANT: Please help me with your planned travelling dates.

USER: My travel dates are May 18 and 20.

ASSISTANT: Do you need a break in between your journey?

USER: I prefer a connecting flight.

ASSISTANT: Do you have any other preferences in your journey?

USER: I want to return in the evening.

ASSISTANT: Please let me know if you have any other needs with respective your journey.

USER: I have provided all my requirements.

ASSISTANT: Please allow me a minute.

USER: Sure.

ASSISTANT: Thank you. Jennifer Smith, I am really sorry to inform you that there are no flights available for your journey.

USER: No problem, thanks for checking.

ASSISTANT: Thank you for reaching us. Have a great time.