You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Scott Nelson.

ASSISTANT: How can I aid you?

USER: I want to book a connecting flight ticket to attend an cultural fest at MN.Can you help me with this?

ASSISTANT: Sure, May I know your travelling dates?

USER: Thank you. July 14th and 16th are my travelling dates.

ASSISTANT: Can you share me your airport codes?

USER: DFW and MSP are my airport codes.

ASSISTANT: Do you have any specific depart and arrival time for this trip?

USER: I need to return in the afternoon.

ASSISTANT: Is there any other preferences?

USER: It should be a normal-cost airline.

ASSISTANT: Thanks for your details, there are no flights found on your data.

USER: No issue. Thank you.

ASSISTANT: Thank you.