You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I would like to travel from IAD to JFK, can you please help me out with booking of a flight ticket between those locations?

ASSISTANT: Sure, can you share me your trip dates?

USER: Thank you for considering my request, my departure is on Jan 09 and please book my return ticket on Jan 11.

ASSISTANT: Do you have any connection limit?

USER: Sure, I will prefer single connection.

ASSISTANT: Is there any other specifications?

USER: I would like to departure in morning time.

ASSISTANT: Can I have your good name?

USER: Sure, my name is Sarah Hill.

ASSISTANT: Sorry, no flights are found on your travel dates.

USER: Oh! So sad to hear that. Anyway, I will find another alternative. Thank you for checking.

ASSISTANT: Thank you for reaching us.

USER: Welcome.