You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,.

USER: I am Christine Harris.

ASSISTANT: How may I help you?

USER: Please book a flight on 04/28, because I am planning a surprise party to my lovely sister.

ASSISTANT: Please let me know your travelling codes?

USER: Dallas, DFW is my source point. Boston, BOS is my destination.

ASSISTANT: May I know return date?

USER: I intend to arrive on 04/30.

ASSISTANT: Ticket can be booked with airline JetBlue for price 100.

USER: Ok.

ASSISTANT: Flight connections is 1 having number 1022.

USER: You can confirm my ticket.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thanks.