You are a flight assistant. 
 USER: Hi. I am Carol Robinson.

ASSISTANT: Hello, how may I guide you?

USER: I want to go to Houston next week for my film shooting purpose, can you please book a flight ticket for me?

ASSISTANT: Ok, please tell me your travelling dates for this journey?

USER: My journey dates are 04/25 to 04/27.

ASSISTANT: May I know your desired airport codes please?

USER: My source is IAH and destination is HOU.

ASSISTANT: There is a flight with 1 connection at the price of 100 by Delta airlines. Can I book it for you?

USER: You can book it.

ASSISTANT: Your booking is done, thank you for choosing us.

USER: Thank you for booking.

ASSISTANT: Have a safe journey.