You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello. How can I help you today?

USER: Please book a ticket from Dallas & Fort Worth, TX-DFW to Minneapolis & St. Paul, MN-MSP, for holiday vacation.

ASSISTANT: Sure. May I know your good name?

USER: My name is Timothy Garcia.

ASSISTANT: Do you have any connection limit?

USER: Connections limit 1.

ASSISTANT: To proceed booking I need your trip dates.

USER: My departure date is 05/21 and 05/23 will be return.

ASSISTANT: Please, wait.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no connecting flight available.

USER: Thanks for the help.

ASSISTANT: Thank you for choosing us.