You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you today?

USER: I want to book a normal-cost airline to meet my grandparents. Can you help me?

ASSISTANT: Sure, we are here to make your journey comfort.

USER: Thank you.

ASSISTANT: Please share your source and destination points.

USER: BOS and SFO are my airport codes.

ASSISTANT: Could you please let em know your planned travelling dates?

USER: Jan 19th and 21st are my trip dates.

ASSISTANT: Do you need a stopover in between your journey?

USER: I need a break.

ASSISTANT: May I know your name please?

USER: Myself Jessica Hill.

ASSISTANT: May I know if you have any other comforts in between your journey?

USER: I would like to travel in an business class.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Thank you for waiting, sorry to inform you that there are no flights found with your essential details.

USER: No issue, I will choose an other alternative.

ASSISTANT: Thank you for choosing us.

USER: Thank you for your help.