You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, firstly may I know your name?

USER: Rebecca Campbell here.

ASSISTANT: May I know which type of service you are seeking from us Rebecca?

USER: One of my friend birth day is on 06/15, we are planning to do party in Chicago.So can you book a flight ticket?

ASSISTANT: Sure, so can you please let me know on which day you are planning to go Chicago?

USER: We are planning to start our journey one day before of my friend birthday date and the date is 06/14.

ASSISTANT: To enhance my search for the flight availability can you please provide your destination code?

USER: I am planning to go for IL-ORD in Chicago.

ASSISTANT: From which city you would like to start your journey?

USER: My journey starts from my present location Atlanta and my source code is GA-ATL.

ASSISTANT: Do you want to have a return journey? If so please provide your return date please.

USER: Yes, I have planned for booking return ticket also and my return date is 06/16.

ASSISTANT: Give me a second please to find the available flight.

USER: Ok, sure.

ASSISTANT: I have found a flight with 1 connection flight, costs 100 from Southwest airlines.Would you like to proceed for the booking?

USER: Ok, I am happy to fly in this flight, so you can proceed.

ASSISTANT: Flight 1007 has been booked successfully.

USER: Thank you for booking my ticket.

ASSISTANT: My pleasure, thank you for reaching out here.Hope you have a safe journey.

USER: Welcome.