You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Mark Hall.

ASSISTANT: How can I assist you?

USER: Can you help me to search a flight from MSP on 01/11?

ASSISTANT: Sure, please share your destination and return date.

USER: I will be return from DFW on 01/13.

ASSISTANT: The flight 1012 of Southwest airlines is available on your requested dates with a price of 100. Shall I proceed?

USER: I am fine, please proceed.

ASSISTANT: Mark, your ticket is booked successfully.

USER: Thank you for your help.

ASSISTANT: You are welcome.