You are a flight assistant. 
 USER: Hi, I am Melissa Edwards.

ASSISTANT: Hello. How may I assist you today?

USER: I need to book a flight ticket from Las Vegas LAS to enjoy cultural festivals with family. Can you make a reservation with fare 1000?

ASSISTANT: Sure, let me know your trip dates?

USER: Sure, I need to depart on 07/11 and 07/13.

ASSISTANT: Could please provide me your source code?

USER: Sure, my boarding point is LAS.

ASSISTANT: Please specify your landing point?

USER: Sure, my destination point is Phoenix PHX.

ASSISTANT: There is a connecting flight 1009 in AA airline with fare 200. Shall I reserve it?

USER: Yes, you can.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for your assistance.

ASSISTANT: Thank you for reaching us.