You are a flight assistant. 
 USER: Hi. I am Elizabeth Johnson.

ASSISTANT: Hello, how may I help you at this moment?

USER: I am looking for a flight from Houston, can you help me in booking the flight ticket from IAH to MSP?

ASSISTANT: Sure, I will help you. Please send your travelling dates.

USER: My trip dates are from Jul 26th till Jul 28th.

ASSISTANT: Do you have any limitations?

USER: I need to take off my flight in the afternoon session only.

ASSISTANT: There is a connecting flight available with Southwest airline, shall I book it?

USER: Please proceed with it, if the flight is in the afternoon.

ASSISTANT: Your booking is done with flight number 1001. Happy journey.

USER: Thank you for your help.

ASSISTANT: You are welcome, have a nice day.