You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be your helping hand?

USER: I am Sandra Gonzalez, I plan to visit my sister, can you help me to book flight ticket on 01/26? I will return on 01/28.

ASSISTANT: Sure, can you please let me know your airport codes?

USER: My source airport code is TX-DFW and destination is MN-MSP.

ASSISTANT: Do you have any specifications?

USER: I need a flight with one connection.

ASSISTANT: Thanks for sharing our details. We found a connecting flight with a fare of 100 and flight number is 1025.

USER: Please proceed with booking.

ASSISTANT: Your reservation has been done. Thank you for opting us.

USER: Thank you for helping me.

ASSISTANT: Wish you a happy journey.