You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Michelle Gonzalez, can you help me to book a flight from PHL to DFW?

ASSISTANT: Sure, I am here to help you out. Please share me your trip dates.

USER: Yes, my departure date is 06/19 and return date is 06/21.

ASSISTANT: Here is a flight with 1 stop and price is 100 in UA airlines, can I proceed with it?

USER: Ok, my need is similar to that. Book it please.

ASSISTANT: Your ticket has been booked with 1004 flight.

USER: That is a fast service your agency is providing, thank you.

ASSISTANT: Thank you for reaching us.