You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Jennifer Lewis here.

ASSISTANT: How can I assist you today?

USER: I would like to visit Seattle for a business meet, can you please reserve a flight ticket from IAH to SEA?

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

USER: Ok, I am planning to move on 04/04 and please book my return ticket also on 04/06.

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: Oh! Sad to hear that. Anyway, thank you for the information.

ASSISTANT: Welcome, have a great day.