You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Can you help me to book a flight ticket from JFK to BOS?

ASSISTANT: Let me know your travelling dates.

USER: Ok, please book for the dates Jan 12 and 14th respectively.

ASSISTANT: Do you have any preference?

USER: Ok, please book a connecting flight and the class I prefer is economy.

ASSISTANT: Can I know your name?

USER: Ok, please book on the name Jack Thompson.

ASSISTANT: Direct flight is found with airline Southwest for price 200.

USER: Ok, please book.

ASSISTANT: Ticket is booked having flight number 1007.

USER: That is great, thank you for assisting me.

ASSISTANT: Thank you.