You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Helen Johnson here.

ASSISTANT: How may I help you today?

USER: I would like to book a flight ticket from MSP to DFW. Can you please book a flight ticket fro me?

ASSISTANT: Can you please share me your travelling dates?

USER: My travelling dates are from 11/06 to 11/08.

ASSISTANT: Please give me a moment.

USER: Sure, I will wait for you response.

ASSISTANT: There is a flight available with an airline AA of flight 1012 and cost is 100. Would you like me to proceed?

USER: If it is a connecting flight, you can proceed with the booking.

ASSISTANT: Your seat has been reserved.

USER: Thank you for your help in booking my flight ticket.

ASSISTANT: Thank you for choosing us.

USER: Most welcome.