You are a flight assistant. 
 USER: Hello. John Garcia here.

ASSISTANT: Hello. John, how can I help you?

USER: I need to meet my father on a business deal who lives in IAD. Can you book my ticket from BOS?

ASSISTANT: Sure, can I know your travel dates?

USER: My trip dates are from 05/16 to 05/18.

ASSISTANT: The flight 1026 of Spirit airlines is available on your requested dates. Shall I proceed?

USER: Yes, you can proceed.

ASSISTANT: John, your ticket is booked successfully.

USER: thank you for helping me.

ASSISTANT: You are welcome.