You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I am Nicholas Evans. I want to book a connecting flight ticket to meet my grandparents at NC-CLT. Can you help me to book a flight ticket?

ASSISTANT: Sure, may I know your trip dates please?

USER: 01/20 and 01/22 are my travelling dates.

ASSISTANT: Can I know your source airport code?

USER: I would like to board from TX-HOU.

ASSISTANT: There is a flight which can travel to your region having a single lay out in between your journey having a ticket fare of 100 which is provided by Southwest airlines. Would you like to book this flight for your journey?

USER: Yes, you can reserve it for me.

ASSISTANT: Ok, your ticket is confirmed with the flight number 1002.

USER: Thank you for your help.

ASSISTANT: Most welcome.