You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: On 11/04, I have to be there in my home to attend my Granny's 100th birthday. So, I want to book a flight ticket to Washington DC - IAD. Can you aid me in this?

ASSISTANT: Sure, let me know your source point?

USER: My source point is Detroit, MI - DTW.

ASSISTANT: When would you like to return?

USER: I would like to return on 11/06.

ASSISTANT: We are happy to inform that in Frontier airline with fare of 100 we found a ticket for you. Shall I proceed for booking with 1008 flight number?

USER: Please proceed now.

ASSISTANT: To proceed further I need to know your name?

USER: Sure, Gary Perez is my name.

ASSISTANT: Your ticket has been booked with your name.

USER: Thanks for your kind help.

ASSISTANT: Thanks for contacting us.