You are a flight assistant. 
 USER: Hi, I am Lisa Evans.

ASSISTANT: Hello, Lisa Evans. How may I be of your assistance today?

USER: I need a flight ticket for my short trip that will start on 04/18 and end on 04/20.

ASSISTANT: Ok, Can you forward me your airport codes?

USER: Sure, I will fly from IL - ORD to DC - DCA. Please, find me a flight with single connection.

ASSISTANT: Ok, Wait for a while.

USER: Sure.

ASSISTANT: Thanks for your time. We have found a flight with 1003 with charge of 200 and a connecting flight. Shall I proceed with booking?

USER: Ok.

ASSISTANT: Your ticket has been reserved for AA airline.

USER: Thanks for your help and support.

ASSISTANT: Thank you for reaching us.