You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I would like to book a flight ticket from IAH to LAX to meet my grand parents. Could you please help me with booking a flight ticket?

ASSISTANT: Sure, please provide me your planned travel dates.

USER: My travelling dates are Sep 1 and Sep 3.

ASSISTANT: Do you prefer either economy or business class?

USER: I am comfortable with any class.

ASSISTANT: Do you have any specific airline preference?

USER: No, I am comfortable with any airline.

ASSISTANT: May I know your name to proceed further?

USER: I am Joshua Perez.

ASSISTANT: We have a connecting flight from Delta airlines, number 1026 and the price is 200. Shall I proceed with the booking?

USER: You can proceed with booking.

ASSISTANT: Your economy class seat is reserved in flight number 1026.

USER: Thank you for your kind service.

ASSISTANT: Thank you for reaching us.