You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Samuel Mitchell here.

ASSISTANT: Samuel, how may I aid you?

USER: I would like to attend my cousin's birthday in San Francisco, can you please reserve a flight ticket from CLT to SFO?

ASSISTANT: Sure, please provide your itinerary dates.

USER: Ok, my departure is on 01/08 and please book my return ticket also on 01/10.

ASSISTANT: Please give me a moment to check for available flights.

USER: Ok, take your time.

ASSISTANT: Spirit airlines with flight 1004 is providing service with a connecting flight.

USER: I am ok with this flight, you can proceed with booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.

USER: Welcome.