You are a flight assistant. 
 USER: Hi, I am Elizabeth Nelson.

ASSISTANT: Hello, how can I aid you today?

USER: I want to book a connecting flight ticket to meet my grandparents at Boston. Can you help me to book a flight ticket?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Kindly mention your travel dates.

USER: I will depart on 10/05 and my return date will be on 10/07.

ASSISTANT: Could you please provide me your airport codes?

USER: My source is Washington DC-IAD and my destination is Boston, MA-BOS.

ASSISTANT: There is a flight with your requirement, airline is Hawaiian with price 100 and single connection.

USER: That's fine, please proceed with the booking.

ASSISTANT: Your booking is done and flight number is 1013.

USER: Thank you for your quick service.

ASSISTANT: Thanks for reaching us.