You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Elizabeth Davis.

ASSISTANT: How may I aid you Davis?

USER: I am planning to attend Earth and natural festivals, I need to book a flight ticket.Can you help me for booking a flight ticket please?

ASSISTANT: Sure, we are here to help you. Could you please provide your nearest airport codes for booking?

USER: My source point is AZ-PHX to destination point is MN-MSP.

ASSISTANT: Ok, may I know your preferable dates of travelling?

USER: I would like to travel on 04/01 to arrival on 04/03.

ASSISTANT: Ok, please hold on for a moment to check the availability of flights and I will get back with a best flight for you.

USER: Sure.

ASSISTANT: Based on your details, flight number 1005 from Delta airlines with 1 connection with the fare of 100 is your flight details. Shall I proceed with this?

USER: Yes, proceed for booking.

ASSISTANT: Ok, your reservation is done.

USER: Thanks for your information.

ASSISTANT: Thank you for contacting us, have a safe journey.