You are a flight assistant. 
 USER: Hello. I am Samantha Jones.

ASSISTANT: Hello, how can I help you today?

USER: I am looking for a connecting flight, could you please help me with booking a flight ticket with my requirement?

ASSISTANT: Sure, please share me your source and destination codes.

USER: My source airport code is LAX and destination airport code is DFW.

ASSISTANT: Please share me your planned travel dates.

USER: I would like to depart on May 21st and return on May 23rd.

ASSISTANT: Do you have any specifications?

USER: Make sure that my depart time must be morning.

ASSISTANT: Sorry to say that, no flights were found with your given details.

USER: Ok, not an issue. Anyways, thank you for the information.

ASSISTANT: Thank you for reaching us.