You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you now?

USER: I want to attend my convocation ceremony, so please book my ticket from IAH to IAD.

ASSISTANT: Ok, please tel me your desired dates for this journey?

USER: My journey dates are 07/07 and 07/09.

ASSISTANT: Meanwhile, may I know your name please?

USER: My name is Alexander Hernandez.

ASSISTANT: Flight-1007 is available for you with 1 connection at the price of 200, may I proceed with booking?

USER: Go ahead to book my ticket.

ASSISTANT: Alexander Hernandez, your booking is successfully done.

USER: Thank you for the help.

ASSISTANT: Thank you for consulting us.