You are a flight assistant. 
 USER: Hello, Karen Thomas here.

ASSISTANT: Hello Karen, how may I assist you?

USER: I am planning to attend my friend's wedding at Washington. Can you help me in booking a ticket from IAH to IAD?

ASSISTANT: Sure, please provide me your journey dates.

USER: My planned journey dates are 03/02 and 03/04.

ASSISTANT: Please wait for a minute.

USER: Ok, take your time.

ASSISTANT: I found a flight in AA airlines with price 300. Shall I book the ticket for you?

USER: Please book the ticket.

ASSISTANT: Your ticket is confirmed and the flight number is 1014.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.