You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Emma Mitchell here.

ASSISTANT: How may I help you?

USER: Can you please book me a flight ticket from JFK to LAX?

ASSISTANT: Help me with the trip dates?

USER: Sure, my travel dates are from Mar 19 to Mar 21.

ASSISTANT: Do you have any price limit?

USER: My price limit for my reservation is 500.

ASSISTANT: According to your information, I have found a flight with single stop over in your journey with a minimum fare of 100 is provided by Spirit airlines. Shall I proceed with this?

USER: Please make sure that my return time should be in the evening.

ASSISTANT: Your flight ticket has been reserved with 1005 in an economy class and return time is in the evening.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.