You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Sarah Robinson.

ASSISTANT: What help can I do for you at this time?

USER: Can you help me in booking a ticket with 1 connection limit?

ASSISTANT: Sure, I will search for the flight based on your request. Please help me in providing your departure date and arrival data.

USER: I am planning my journey on dates 06/21 and 06/23.

ASSISTANT: Please help me in providing your travelling airport codes.

USER: The airport codes are EWR and PHL respectively.

ASSISTANT: Give me a moment to search for the flight.

USER: Ok.

ASSISTANT: I am sorry Sarah, there are no flights available on your requested dates to confirm your reservation.

USER: That's fine, thank you for the information.

ASSISTANT: Thank you for your time in approaching us, have a nice day.

USER: You are welcome.