You are a flight assistant. 
 USER: Hi. I am Katherine Nelson.

ASSISTANT: Hello, how may I serve you today?

USER: Can you please help me in booking my flight ticket from IAH to HOU?

ASSISTANT: Sure, can you please let me know your journey dates?

USER: My travelling dates are Sept 14 and Sept 16.

ASSISTANT: Do you have any restrictions on connection limit?

USER: I need connecting flight in between my journey.

ASSISTANT: We found a Delta airlines, flight number 1005 and the fare of 200. Shall I proceed.

USER: Ok, please proceed with booking.

ASSISTANT: Your ticket has been reserved in economy class.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.