You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am Gary Walker, can you help me to book a flight on 03/23?

ASSISTANT: Ok, let me know your preferred airport codes for this journey please?

USER: I would like to attend a meeting at LAS, please book a flight from JFK.

ASSISTANT: What will be your dates for takeoff and landing?

USER: I will be return on 03/25.

ASSISTANT: Give me a moment to check for you.

USER: Sure, take your time.

ASSISTANT: Southwest airlines is providing flight 1000 on your planned dates, can I book it for you?

USER: I am fine with that flight, please proceed with booking.

ASSISTANT: Your booking is done, thank you for utilising our services.

USER: Thank you for your help.

ASSISTANT: Have a safe flight Melissa Hill.