You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Janet Moore.

ASSISTANT: How can I help you?

USER: Can you make a reservation from Boston, BOS to Houston, HOU to meet my friend?

ASSISTANT: Sure. May I have your depart date?

USER: My depart date is on 12/19.

ASSISTANT: How much should be your ticket price?

USER: My price limit is 5000.

ASSISTANT: When you have planned to catch the return flight?

USER: My return date is on 12/21.

ASSISTANT: Thank you for sharing the details.

USER: Make sure that I need a direct flight.

ASSISTANT: Unfortunately, there are no flights available that matches your requirements.

USER: Ok, thank you for informing me.

ASSISTANT: Thank you for approaching us.