You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: I am Emily Allen. Can you help me to book a flight with 0 connection on 09/26?

ASSISTANT: Sure, will you mention your airport codes please?

USER: My preferred airport codes are DFW and MSP.

ASSISTANT: Please provide your return date of your journey.

USER: I would like to return on 09/28.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, there is no flights found under your preferable details.

USER: That is fine. Thank you for your time.

ASSISTANT: Welcome, have a great day.