You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Emma Allen.

ASSISTANT: How may I help you out?

USER: I would like to fly to CA to attend a robotic workshop, could you please help me to book a flight ticket with single connection?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: I need to depart on Jan 19th and my return date will be on Jan 21st.

ASSISTANT: Do you need any specifications?

USER: I need to return in the morning.

ASSISTANT: Can I know your preferences?

USER: I don't have any preferences. My source and destination airport codes are LAS and SFO.

ASSISTANT: There is a flight with connection 1 and price 200 with arrival time in the morning 3:00 A.M, can I proceed?

USER: Yes, you can book the ticket.

ASSISTANT: Thank you for your services.

USER: Thank you for your support in booking.