You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I am Sarah Miller. I am planning to visit Fernbank museum of natural history which is located in Atlanta and helps to learn new things. Would you please aid me in booking a flight ticket from Houston?

ASSISTANT: Sure, we are here to help you. Can you share me your airport codes?

USER: I would like to deviate from Houston TX-IAH to Atlanta GA-ATL.

ASSISTANT: Let me know when your willing to travel?

USER: I would like to depart on 03/28.

ASSISTANT: Do you need any halts in between your journey?

USER: I am intend to return on 03/30. I need a halt.

ASSISTANT: Ok, wait for some time.

USER: Sure.

ASSISTANT: Thanks for waiting there is no flights found on your details.

USER: Ok, not an issue. Thank you for your kind service.

ASSISTANT: Thanks for contacting us.