You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: Can you avail me to book a flight from PHL to IAH?

ASSISTANT: Sure, may I know your preferred dates to reserve your seat?

USER: My travel dates are June 09 and 11.

ASSISTANT: Do you need any connections between your trip?

USER: I need a connecting flight.

ASSISTANT: Do you need any other requirements?

USER: No.

ASSISTANT: May I know your name?

USER: Nicholas Lopez.

ASSISTANT: Delta airlines, flight number:1022 is going on your way with single connection and price:400. is that ok for you?

USER: Please proceed.

ASSISTANT: Your ticket has been booked successfully.

USER: Thanks for the help and support.

ASSISTANT: Thank you for opting us.