You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you?

USER: Michael Lee here. Actually, I am looking for a direct flight for my journey. Can you please help me out with booking of a flight ticket?

ASSISTANT: Sure, can I know your preferable dates?

USER: Ok, I am planning to leave my location on 03/07 and please book my return ticket ticket on 03/09.

ASSISTANT: Ok, can I know your nearest airport code?

USER: Sure, I will prefer MSP and IAH as my origin and destination airport codes respectively.

ASSISTANT: I found a flight 1017 of Southwest airlines matches with your preferences, can I proceed?

USER: Ok, you can proceed with booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for your kind assistance.

ASSISTANT: Thank you, have a safe journey.