You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: My name is Matthew Lewis. I want to book a flight ticket on 06/01 for attending my sister's marriage in New York.

ASSISTANT: Sure, I will help you. Please share me your airport codes?

USER: My source and destination airport codes are DC - DCA, NY - LGA.

ASSISTANT: Do you have any specifications?

USER: My price limit is 200.

ASSISTANT: To confirm your reservation, mention me your return date?

USER: I will return on 06/03.

ASSISTANT: Please wait for few minutes, let me check and revert you.

USER: Sure.

ASSISTANT: We found a 1002 AA airline with single connection and price of 100. Shall I proceed with booking?

USER: Ok, you can proceed to booking.

ASSISTANT: Your ticket has been booked.

USER: Thanks for your service.

ASSISTANT: Thank you for reaching us.