You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Can you please assist me in booking a connecting flight to DFW from SFO?

ASSISTANT: Can you please share your travel dates?

USER: My planned dates of travel are from Apr 24 to Apr 26.

ASSISTANT: May I know your connection limit?

USER: Already mentioned.

ASSISTANT: Can you please share your airline preferences?

USER: I need a normal cost airline.

ASSISTANT: Do you have any class preferences?

USER: No.

ASSISTANT: Do you have any specifications?

USER: I would like to return in the morning.

ASSISTANT: May I know your name?

USER: I am Jonathan Mitchell.

ASSISTANT: Sorry, there are no flights found on your trip dates.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.