You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Sharon Rodriguez.

ASSISTANT: In which way I can aid you today?

USER: Can you help me in booking from HOU to DFW, as there is a conference meeting to attend?

ASSISTANT: Sure, I will aid you with that. Can you please mention your preferable travel dates?

USER: My trip dates are Dec 13 to Dec 15.

ASSISTANT: Do you have any another specifications?

USER: I need a connecting flight which departs in morning, normal-coast is my airline preference.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry, no flights are available in morning time in this route as per your requested dates.

USER: No issue, thank you.

ASSISTANT: Thank you for reaching us.