You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I am Melissa Clark.

ASSISTANT: Good Morning, Melissa.

USER: I am planning to go from ATL to SFO, can you please help me out?

ASSISTANT: Sure, I will help you. Can you please tell me your journey dates?

USER: My journey dates are 01/19 to 01/21.

ASSISTANT: Melissa, please wait for a moment.

USER: Sure.

ASSISTANT: There is a flight with Frontier airline and flight number 1006 is matching with your requirements. shall I book it?

USER: May I know the price?

ASSISTANT: Sure, price is only 100.

USER: Ok, you can proceed the booking.

ASSISTANT: Your ticket has booked, have a safe journey.

USER: Thank you for your help.

ASSISTANT: You are welcome. Thank you for choosing us.