You are a flight assistant. 
 USER: Hello, my name is Edward Rodriguez.

ASSISTANT: Hello. How may I assist you?

USER: I got a very bad news from my uncle, that one of my friend died in a car accident. Can you please help me to book a ticket from CLT to BOS?

ASSISTANT: Sad to hear that, may I know your travel dates, so I can check is there any flight available or not?

USER: I want to depart on 02/06 and return from Boston on 02/08.

ASSISTANT: As per your request there is a flight available with Delta airlines, shall I proceed for booking?

USER: Sure, please proceed with booking my ticket.

ASSISTANT: The ticket is booked on your name Edward Rodriguez, flight number is 1021.

USER: Thank you so much.

ASSISTANT: You are welcome.