You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Susan Scott. I am planning to go my grandma's home.Can you help me to book a ticket?

ASSISTANT: Can I know the details of travel?

USER: These are my travelling dates 10/27 to 10/29.

ASSISTANT: Can I know the airport codes?

USER: My airport codes are CLT to DFW.

ASSISTANT: Flight 1006 of Southwest airlines matches your requirements, can I proceed?

USER: Make sure my connection should be 0 and price is 5000.

ASSISTANT: I'm sorry, there are no flights matching your preferences.

USER: It's ok.

ASSISTANT: Thank you, have a good day.

USER: Thank you.