You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How may I assist you?

USER: I am looking to book a flight ticket to my grandmother, so I need your help in checking the flight. Will you aid me?

ASSISTANT: Sure, may I know your travelling dates?

USER: The travelling dates should be 08/26 and 08/28.

ASSISTANT: Please share your journey codes.

USER: She want's to come from IAH to reach DFW.

ASSISTANT: Do you have any price limit?

USER: The price should not exceed 1000.

ASSISTANT: Thank you for the information, we found a flight with number 1023 and Southwest as airline.

USER: Ok. Her name is Amy Smith, so please book the ticket with this name.

ASSISTANT: Sure, your booking is done.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us.