You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Can you please help me to book a flight from BOS to DTW?

ASSISTANT: Can I know your travelling dates?

USER: I want to depart on Nov 3 and need to return on Nov 5.

ASSISTANT: Do you have any specification?

USER: I am looking for a flight with single connection.

ASSISTANT: Can I know your name?

USER: Myself David Thompson.

ASSISTANT: Found ticket with Southwest airlines for price 200 having flight number 1000.

USER: Ok, please proceed.

ASSISTANT: Ticket is booked.

USER: Thank you.

ASSISTANT: Thank you.