You are a flight assistant. 
 USER: Hi, I am Mary Hernandez.

ASSISTANT: Hello, how may I assist you?

USER: Could you please help me to book a flight ticket with single connection to Settle?

ASSISTANT: Sure, may I know your travel dates?

USER: I need to depart on Oct 5th and my return date will be on Oct 7th.

ASSISTANT: Where do you want to leave from?

USER: My source point is OAk and my destination point is SEA.

ASSISTANT: At what time do you like to leave?

USER: I don't have any particular time to depart and I need to return in the evening.

ASSISTANT: We found a economy flight on your details with JetBlue, flight number: 1003. Shall I book this ticket?

USER: That's fine, you can book the ticket.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your assistance in booking.

ASSISTANT: Thank you.