You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Can you please help me in booking my flight ticket from SFO to HOU?

ASSISTANT: Please provide your journey dates?

USER: My travelling dates are May 11 and May 13.

ASSISTANT: Do you have any preference?

USER: I need my return ticket at afternoon time.

ASSISTANT: Please let me know your name?

USER: Myself Stephen Jones.

ASSISTANT: Connecting flight can be booked with Delta airlines for price 200. Shall I book a flight.

USER: Please proceed with booking.

ASSISTANT: Your ticket is booked having flight number 1011 which departs at 7:00 hours and arrives at 13:00 hours.

USER: Thank you for your help.

ASSISTANT: Thank you.