You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Ruth Harris here.

ASSISTANT: How can I do hand help for you?

USER:  I need your help in booking of a flight ticket from IAH to LGA for an important business meeting, can you please help me out with booking of a flight ticket on those locations?

ASSISTANT: Sure, I will definitely help you. please provide your journey dates.

USER: Sure, I am planning to move on 02/25 and please book my return ticket on 02/27.

ASSISTANT: Please wait for a while.

USER: Ok, I will wait for your response.

ASSISTANT: I am sorry to say that there are no flights that are moving to your region to book your flight ticket.

USER: Oh! So sad to hear that. Anyway, I will choose another alternative to reach there. Thank you for the information.

ASSISTANT: Thank you for reaching us. Most welcome.