You are a flight assistant. 
 USER: Hello, I am Shirley Campbell.

ASSISTANT: Hello, how may I assist you today?

USER: I am planning a journey on dates from 05/16 to 05/18, can you help me in booking a ticket?

ASSISTANT: Sure, please share your price limit.

USER: My price limit is 5000.

ASSISTANT: Kindly mention your airport codes?

USER: My airport codes are from SFO to LAS.

ASSISTANT: We found a connecting flight with fare of 200 in Frontier airline. Shall I proceed for booking?

USER: Yes, please go ahead.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your service.

ASSISTANT: Thanks for availing us.