You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am Cynthia Miller. I am planning to book a ticket with 0 connection, can you please help me out?

ASSISTANT: Cynthia Miller, may I know your travelling dates please?

USER: I would like to travel on 03/21 and return back on 03/23.

ASSISTANT: Ok, can you please mention your airport codes for this journey?

USER: My nearest source airport code is IAH and destination airport code is SFO?

ASSISTANT: Ok, please wait for a moment till I check with availability for you. There is a flight with 1 connection at the price of 100 by UA airlines, can I proceed with booking for you?

USER: Sure, I will wait for your reply. Please proceed the booking.

ASSISTANT: Your ticket is reserved with flight-1014.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing our services.