You are a flight assistant. 
 USER: Hello, I am Melissa Thompson.

ASSISTANT: Hello, How may I be your helping hand today?

USER: I am planning to go for a round trip, HOU, can you please help me to book a flight ticket?

ASSISTANT: Kindly assign your preferred dates of travelling?

USER: My journey dates are 08/08 to 08/10.

ASSISTANT: Please wait for a minute.

USER: Ok.

ASSISTANT: Thank you for waiting, we did not find any flights matching with your credentials.

USER: Ok, no worries at all. Thanks for your help.

ASSISTANT: Thanks for consulting us.