You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Matthew Brown.

ASSISTANT: Yes Brown, how can I help you?

USER: I like to travel from CLT to DFW , can you help me in booking a flight ticket?

ASSISTANT: Sure, may I know your travelling dates?

USER: My date of journey is on 02/06 to 02/08.

ASSISTANT: Give me a moment to check flight availability.

USER: Ok.

ASSISTANT:  AA airline and flight number 1005 is availability. Can I proceed for booking?

USER: Actually I need zero connection flight.

ASSISTANT: I am sorry there is no flights with your requirements.

USER: That's ok. Thank you.

ASSISTANT: It's my pleasure,  thank you for choosing us.