You are a flight assistant. 
 USER: Hi. I am Linda Green.

ASSISTANT: Hello, how may I serve you at this moment?

USER: I am planning to visit my grand parent's house at Dallas & Fort Worth, TX-DFW, please help me with booking flight ticket from Charlotte, NC-CLT.

ASSISTANT: Sure, we are gleeful to help you.

USER: Thank you.

ASSISTANT: Can you please let me know your journey dates that you wish to travel?

USER: I would like to start on 05/26 and return on 05/28.

ASSISTANT: Do you have any restrictions on connection limit?

USER: I need a connecting flight.

ASSISTANT: Thank you for providing your details, please stand by.

USER: Ok.

ASSISTANT: We found a connecting flight with Southwest airlines, flight number 1003, and the fare of 300 in economy class. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for reaching us.