You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Helen King here.

ASSISTANT: How can I assist you today?

USER: I would like to travel from MSP to JFK, can you please reserve my ticket?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: Sure, my dates of journey is from 05/09 to 05/11.

ASSISTANT: Please give me a moment.

USER: Sure, take your time.

ASSISTANT: Thanks for waiting, there is no flights found under your preferable details.

USER: That's fine. Thank you for your valuable time.

ASSISTANT: Thanks for reaching us, have a great day.