You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello.

USER: I am Stephen Evans.

ASSISTANT: What can I do for you now?

USER: I need do some project work in Botanical Garden in Boston, BOS.

ASSISTANT: Fine.

USER: Could you help me in booking me a plane from San Francisco, SFO?

ASSISTANT: To book a ticket, help me with your starting date of journey?

USER: I will start my journey on 05/24.

ASSISTANT: Return date please.

USER: I will return on 05/26.

ASSISTANT: Flight with 1 connection of price 100 in JetBlue airline is available for you.

USER: Proceed with my booking.

ASSISTANT: Ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for opting us.