You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Christine Lee here.

ASSISTANT: How can I help you?

USER: I have a plan to visit Atlanta. Can you help me in booking flight ticket from CLT to ATL?

ASSISTANT: Can I know your travelling dates?

USER: I will fly on May 12 and return on May 14.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight.

ASSISTANT: Found ticket with airline UA for price 200 having flight number 1003.

USER: You can proceed for booking.

ASSISTANT: Ticket is booked.

USER: Thank you for your service.

ASSISTANT: Thanks.