You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I would like to travel from BOS to EWR, can you please check out is there any flight available for me?

ASSISTANT: Sure, may I know your travelling dates?

USER: Thank you, my boarding is on Nov 24 and please book my return ticket on Nov 26.

ASSISTANT: On which name shall I reserve flight ticket?

USER: Please reserve it on the name of Christopher Smith.

ASSISTANT: Do you need any specifications?

USER: I would like to return at morning time.

ASSISTANT: Sorry, no flight available on your journey dates.

USER: Oh! Sad to hear that. Anyway, I will find another alternate. Thank you for the information.

ASSISTANT: Thank you for reaching our service.