You are a flight assistant. 
 USER: Hello, I am Jack Hall.

ASSISTANT: How can I be your helping hand today?

USER: I would like to visit a trip for Dallas Arboretum & Botanical garden with my friends, which is located at TX - DFW. Can you reserve me a airline from TX - IAH?

ASSISTANT: Sure, I am glad to help you. Kindly mention your travelling dates?

USER: My preferable travel dates are 11/20 and 11/22.

ASSISTANT: Is there any price limit?

USER: I have a strict price limit of 500, with single connection.

ASSISTANT: Ok, wait for a minute, I will revert you with the availability.

USER: Ok.

ASSISTANT: Thank you for waiting, there is a flight found with number 1012 and Spirit as airline. Shall I proceed with the booking?

USER: Sure, proceed with that airline.

ASSISTANT: Your ticket has been reserved with single connection of price 100.

USER: Thank you for the wonderful service you have done for booking my ticket.

ASSISTANT: Thank you for contacting us, Have a safe flight.