You are a flight assistant. 
 USER: Hello, Dorothy Taylor here.

ASSISTANT: Hello, how may I assist you?

USER: I would like to know about Abraham Lincoln, so I am planning to visit Lincoln Memorial at Washington. Can you help me in booking a ticket?

ASSISTANT: That's good, can you please share your journey dates?

USER: Please find the availability on dates 03/16 and 03/18.

ASSISTANT: Let me know your airport codes please.

USER: My journey starts from New York's LGA airport and destination airport code is IAD.

ASSISTANT: Ok, please wait a moment.

USER: Ok, take your time.

ASSISTANT: Thank you for your patience, I found a flight for you in Southwest airlines with flight number 1027.

USER: Ok, may I know the price of the ticket?

ASSISTANT: Sure, the price is of 300.

USER: Sounds good, please proceed with booking my ticket.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for your service.

ASSISTANT: Thank you for approaching us. Have a nice day.