You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you please help me in booking a flight ticket from Dallas, DFW to Houston, IAH?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: My journey dates are from July 05 to July 07.

ASSISTANT: Do you have any other specifications?

USER: I need a lay by in between my journey.

ASSISTANT: Please help me with your name for booking.

USER: My name is Helen Williams.

ASSISTANT: According to your information, I have found a flight with single stop over in your journey with a minimum fare of 100 with flight number 1001. Shall I proceed with this flight?

USER: Sure, you can proceed for booking.

ASSISTANT: Your booking is done.

USER: Thanks for your help.

ASSISTANT: Most welcome.