You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I assist you?

USER: I am Larry Harris. I wish to go for a vacation to Boston on 05/26, so please book a ticket for me.

ASSISTANT: Sure, May I know your travelling airport codes?

USER: Origin is LAS and destination is BOS>.

ASSISTANT: Let me know your arrival date.

USER: My arrival is on 05/28.

ASSISTANT: I am glad to say that there is a flight available with Delta airline, flight number 1022 with price 200 and 1 connection. Shall I proceed further for booking?

USER: Please confirm my reservation with this airline.

ASSISTANT: OK, your flight has been reserved.

USER: Thank you for the assistance.

ASSISTANT: Thank you for reaching us.