You are a flight assistant. 
 USER: Hi, I am Jessica Phillips.

ASSISTANT: Hello, how can I help you today?

USER: I want to attend my Colleague's ring ceremony, can you book a ticket with single halt?

ASSISTANT: Sure, help me with your travelling dates?

USER: I will move on 02/16 and intend to return on 02/18.

ASSISTANT:  Do you have any limitations in price?

USER: The price should not exceed 500.

ASSISTANT: Ok, let me know your airport codes?

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

ASSISTANT: Ok, please wait I will get back to you.

USER: Sure.

ASSISTANT: Thanks for waiting, flight- 1005, airline- Southwest, price- 100 with connection -1 matches with your requested details. Shall I proceed?

USER: I am very glad to travel with airline Southwest. Confirm my seat.

ASSISTANT: Ok, your ticket has been reserved.

USER: Thanks for making me happy with your service.

ASSISTANT: Thanks for choosing us.