You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I want to book a ticket, could you help me?

ASSISTANT: Sure, may I know your name?

USER: I'm Janet Scott.

ASSISTANT: Ok Janet Scott, could you please provide the city names?

USER: It's from MSP to HOU.

ASSISTANT: Ok, would you please provide the travel dates?

USER: The dates of journey are from 09/30 to 10/02.

ASSISTANT: Ok, wait a moment meanwhile I'll check the details of the flight.

USER: OK.

ASSISTANT: Sorry for the inconvenience, no flights found under your requirements.

USER: OK that's fine. Thank you for your time.

ASSISTANT: Thank you, have a nice day!.