You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I am Jason Hill. Can you help me to book a flight from LAS to BOS?

ASSISTANT: Ok, when you are willing to travel?

USER: My travelling dates are 07/21 and 07/23.

ASSISTANT: Fine, please wait a moment.

USER: Ok.

ASSISTANT: There is a connecting flight-1026 on spirit airline.

USER: Proceed.

ASSISTANT: Ok, your ticket has been done with your name.

USER: Thank you.

ASSISTANT: Welcome Jason Hill.