You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Katherine Brown.

ASSISTANT: How can I assist you?

USER: Can you help me in booking from DFW to DFW, as there is a conference meet to attend?

ASSISTANT: Ok, may I know your travelling dates?

USER: My trip dates are Jul 22 to Jul 24.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Here is a direct flight ticket with fare 100 and 1003 as flight number in economy class. Shall I proceed with booking?

USER: I need a flight which returns in the morning time.

ASSISTANT: Sorry, no flights found at morning time.

USER: No issue, thank you.

ASSISTANT: Thank you for reaching us.