You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I am George Nelson here, I want reserve my ticket from SFO to BOS, can you please help me?

ASSISTANT: Sure, please provide your travelling dates.

USER: Sure, my planned travelling dates of journey are from May, 21 to May, 23.

ASSISTANT: Ok, do you prefer direct flight or connected flight?

USER: Yes, I need a connecting flight with economy class preference.

ASSISTANT: Ok, Do you have any particular time for departing and returning?

USER: Yes, I need a return time at morning.

ASSISTANT: Ok, please wait.

USER: Sure, I will wait.

ASSISTANT: Thank you for your time, Delta airlines is providing connecting flight on this route with a ticket fare of 200, shall I book your ticket?

USER: Ok, please go ahead.

ASSISTANT: Ok, your ticket is booked in flight number 1002 and flight departs at 22:00PM and arrives at 3:00AM.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.