You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Virginia Garcia.

ASSISTANT: Virginia, how may I help you?

USER:  I want to attend a seminar on spirituality at Detroit, could you book my ticket from IAD to DTW?

ASSISTANT: Please provide your itinerary dates.

USER: Sure, I am flying on 06/16 and back on 06/18.

ASSISTANT: Please wait for a minute.

USER: Ok, reply fast.

ASSISTANT: Southwest airlines with flight 1024 is available.

USER: That's good for me, please book the ticket.

ASSISTANT: Your ticket is reserved, have a safe and happy journey.

USER: Thank you for your quick response.

ASSISTANT: Thank you for choosing us.