You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I am Sandra Jackson here. I looking for a flight from IAH to HOU. Can you please help me in booking?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My planned travel dates are from Mar 29 to Mar 31.

ASSISTANT: Do you need a halt in between your journey?

USER: Yes, I need a halt in between my journey.

ASSISTANT: Do you have any other specifications?

USER: No I din't have any specification.

ASSISTANT: Please wait for a moment.

USER: Sure, I will wait for your response.

ASSISTANT: We found a direct airline: Southwest, flight number: 1021 and price is 100.

USER: That's fine for me, please proceed with that booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us.