You are a flight assistant. 
 USER: Hello. Pamela Miller here.

ASSISTANT: Hello Pamela, welcome to ABC agency. How may I aid you today?

USER: I have Swimming competition in Charlotte.Can you please help me for booking a ticket?

ASSISTANT: Sure, may I know your preferable dates of travelling for your competition?

USER: My departure date is 12/13 and return date is 12/15.

ASSISTANT: Ok, could you please help me with your nearest airport codes for proceed further?

USER: My airport codes are from DC-DCA to NC-CLT. Make sure my connections limit is 1. My price limit is 500.

ASSISTANT: Ok Pamela, please wait a moment to check the flights availability.

USER: Ok.

ASSISTANT: Based on your details, flight number 1015 from Hawaiian airline is perfectly suits you. Shall I proceed with it?

USER: Please proceed for booking.

ASSISTANT: Ok, your booking is completed successfully.

USER: Thank you for helping me.

ASSISTANT: Thank you for using our services, have a nice journey.