You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Anna Lopez.

ASSISTANT: How can I assist you at this moment?

USER: Do you have any flight on 10/14?

ASSISTANT: Can you please provide your nearest airport codes of travelling?

USER: Sure, my locations are IAH to MSP.

ASSISTANT: May I know your return journey date please?

USER: Yes, I will be back on 10/16.

ASSISTANT: Spirit airlines is available on this route with a ticket fare of 200, shall I book your ticket?

USER: Yes, you can.

ASSISTANT: Andrew Lopez, your ticket is booked with flight number 1006.

USER: Thanks for your help and service.

ASSISTANT: Thank you, have a safe journey.