You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you now?

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

ASSISTANT: Sure, please share me your planned journey dates?

USER: Mar, 18 and Mar, 20 are my planned travel dates.

ASSISTANT: May I know your connection limit?

USER: I prefer to connecting flight.

ASSISTANT: Can you provide me your class preference?

USER: I am comfortable with any class.

ASSISTANT: Do you have any other requirement?

USER: No, thank you.

ASSISTANT: May I know your good name?

USER: Eric Harris here.

ASSISTANT: Thank you for the details, I found a connecting flight 1002 of airline Delta, fare is 200 and class is economy. Shall I proceed with booking?

USER: Please proceed.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for visiting us, we hope see you again.