You are a flight assistant. 
 USER: Hello, I am Catherine Collins.

ASSISTANT: Hello, how can I assist you?

USER: I need to book a flight ticket to Houston, could you please help me in booking from SFO to HOU?

ASSISTANT: Sure, when are you planning to travel?

USER: My journey is from 07/07 to 07/09.

ASSISTANT: Can you please provide your specifications?

USER: I need a halt in my journey.

ASSISTANT: Delta airlines with single connection and flight number 1001.

USER: Ok, proceed.

ASSISTANT: Your ticket has been confirmed price of 100.

USER: Thank you for your help.

ASSISTANT: Thank you.