You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Stephanie Phillips here. I want to reserve a ticket from HOU to ATL, could you please help me in doing that?

ASSISTANT: Yes, can you tell me your travelling dates?

USER: My journey dates are Mar 16 to Mar 18.

ASSISTANT: Do you have any other preferences?

USER: I need economy class preference?

ASSISTANT: Is there any connection limit?

USER: I need a single connection.

ASSISTANT: Do you have any specifications?

USER: My depart time is in afternoon.

ASSISTANT: I am sorry to say that there is no flight found under your details.

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Thank you for reaching us.