You are a flight assistant. 
 USER: Hi. I am Eric Clark.

ASSISTANT: Hello, how may I abet you?

USER:  I want to open a restaurant at Chicago. So, Can you help me in my booking?

ASSISTANT: Sure, may I know when are you planning to go?

USER: My journey dates are from 04/19 to 04/21.

ASSISTANT: Do you need a lay by?

USER: My journey codes are from IAH to ORD. I need a halt in this journey.

ASSISTANT: Please mention your airport codes.

USER: I have already  mentioned above.

ASSISTANT: Southwest airline with flight number 1001 and price of 100 available on your route.

USER: Proceed with my booking.

ASSISTANT: Your seat is confirmed.

USER: Thank you for your assistance, you made my booking ease.

ASSISTANT: Thank you for reaching us.